1. 25; 2×3; 23 x 7; 22 x 3 x 5; 52 x 3; 32 x 7; 22 x 23; 2 × 11; 23 x 11; 23 x 32; 22x3x7; 5×17. 2. 3 x 17; 3× 23; 22 x 17; 3 x 29; 2 x 33; 2 x 7; 2x 37; 2x 32 x 5; 2× 43; 2x5x7; 2× 3 × 7; 2 x 31.

3. 2x7; 2 × 5x7; 2×3× 11; 23 x 33; 2x 3';

2 × 11; 22 × 32 × 7; 2a × 3 × 5; 23 × 32 × 5; 2′ × 3. 4. 22 × 112; 22 × 7 × 17; 29; 3 × 52 × 7; 2a × 5 × 7; 2 x 11 x 13; 23 x 79; 23 x 3'; 23 x 3 x 29; 2 × 3 × 5

5. 22 x 11 x 17; 5' x 31; 23 x 103; 22 x 3 x 73, 2 × 3 × 37; 2 x 3 x 79; 2° x 3 x 5;

52 x 37; 32 x 13; 7 x 17.

Ex. 62. Page 100.

1. 3 x 5 x 7 x 0.01; 53 × 0.1; 11 x 13 x 0.1;

3 x 5 x 11 x 0.01;

26 x 3 x 0.1; 2x 11' x 0.01;

24 × 3 × 13 × 0.1;

53 × 11 × 0.1.

2. 7$ x0.1; 7×11×0.01; 33 x 23 x 0.1;

22 × 33 × 11 × 0.1; 113 × 0.001; 22 × 3 × 112 × 0.001;

2 × 32 × 11 × 0.001; 22 × 3 × 7 × 11 × 0.1.