The Common School Arithmetic: Combining Analysis and Synthesis; Adapted to the Best Mode of Instruction in the Elements of Written ArithmeticF.A. Brown & Company, 1862 |
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Σελίδα 80
... prime or composite . A PRIME NUMBER is a number that is divisible by no whole number except itself and one ; as 1 , 2 , 3 , 5 , 7 , 11 , 19 . NOTE 1. Two is the only even prime number , for all even numbers are divisible by 2 . NOTE 2 ...
... prime or composite . A PRIME NUMBER is a number that is divisible by no whole number except itself and one ; as 1 , 2 , 3 , 5 , 7 , 11 , 19 . NOTE 1. Two is the only even prime number , for all even numbers are divisible by 2 . NOTE 2 ...
Σελίδα 81
... prime factors of a number are those prime numbers whose continued product is the number ; thus , the prime factors of 12 are 2 , 2 , and 3 ; the prime factors of 36 are 2 , 2 , 3 , and 3 ; etc. NOTE 2. Since 1 , as a factor , is useless ...
... prime factors of a number are those prime numbers whose continued product is the number ; thus , the prime factors of 12 are 2 , 2 , and 3 ; the prime factors of 36 are 2 , 2 , 3 , and 3 ; etc. NOTE 2. Since 1 , as a factor , is useless ...
Σελίδα 82
... prime number , but 2 and 5 , has 1 , 3 , 7 , or 9 for its unit figure . For further aid in determining the factors of numbers , we have the following TABLE OF PRIME NUMBERS FROM 1 TO 997 . 1 41 101 167 239 313 397 467 569 643 733 823 ...
... prime number , but 2 and 5 , has 1 , 3 , 7 , or 9 for its unit figure . For further aid in determining the factors of numbers , we have the following TABLE OF PRIME NUMBERS FROM 1 TO 997 . 1 41 101 167 239 313 397 467 569 643 733 823 ...
Σελίδα 83
... prime factors : RULE . Divide the given number by any prime number greater than one , that will divide it ; divide the QUOTIENT by any prime number greater than one that will divide IT , and so on till the quotient is prime . The ...
... prime factors : RULE . Divide the given number by any prime number greater than one , that will divide it ; divide the QUOTIENT by any prime number greater than one that will divide IT , and so on till the quotient is prime . The ...
Σελίδα 84
... prime factors ; thus , the prime factors of 12 are 2 , 2 , and 3 , and the composite factors of 12 are 2 × 2 , 2 × 3 , and 2 × 2 × 3 , i . e . the composite fac- tors of 12 are 4 , 6 , and 12 . GREATEST COMMON DIVISOR . 118. A COMMON ...
... prime factors ; thus , the prime factors of 12 are 2 , 2 , and 3 , and the composite factors of 12 are 2 × 2 , 2 × 3 , and 2 × 2 × 3 , i . e . the composite fac- tors of 12 are 4 , 6 , and 12 . GREATEST COMMON DIVISOR . 118. A COMMON ...
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25 per cent amount annex barrel bill bought bushels called ciphers common fraction composite number compound interest compound numbers computing cost cube cubic debts decimal fraction decimal places difference discount Divide dividend divisible dollars equal equated example Explain Ex farthings feet figure find the interest flour gain or loss gallons given number greatest common divisor Hence higher denominations hundred improper fraction inches interest of $1 July least common multiple longitude lower denomination marked price Mdse miles mills minuend mixed number months multiplicand Multiply NOTE OPERATION payment pounds premium present worth prime factors principal PROBLEM proper fraction proportional quotient ratio Reduce rods Rule for finding sell sold square root subtract subtrahend TABLE tens term of credit thousand Troy Weight units Weight whole number yards of cloth
Δημοφιλή αποσπάσματα
Σελίδα 30 - When the multiplier is 10, 100, 1000, or 1 with any number of ciphers annexed, annex as many ciphers to the multiplicand as there are ciphers in the multiplier, and the multiplicand, so increased, will be the product required.
Σελίδα 70 - Thirty days hath September, April. June, and November; All the rest have thirty.one, Save February, which alone Hath twenty.eight; and one day more We add to it one year in four.
Σελίδα 36 - The dividend is the number to be divided. The divisor is the number by which we divide.
Σελίδα 83 - The Least Common Multiple of two or more numbers is the least number that...
Σελίδα 274 - Given the first term, last term, and common difference, to find the number of terms. RULE. — Divide the difference of the extremes by the common difference, and the quotient increased by 1 is the number of terms.
Σελίδα 131 - When there are more decimal places in the divisor than in the dividend, annex as many ciphers to the dividend as...
Σελίδα 63 - SQUARE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30| square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.
Σελίδα 136 - Multiply the given decimal by that number which it takes of the next lower denomination to make one of this higher, and from the right hand of the product point off as many figures for decimals as there...
Σελίδα 70 - Time. 60 seconds (S.) make 1 minute, marked M. 60 minutes, 1 hour, h. 24 hours, 1 day, d. 7 days, . 1 week, w. 4 weeks, 1 month, mo. 13 months, 1 day and 6 hours, 1 Julian year, yr. Thirty days hath September, April, June and November ; February twenty-eight alone, all the rest have thirtyone.
Σελίδα 68 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...