Question

8. Find the prime factors by division method.
1. 42
2 95
3 4
5. 28
6. 52
7. 40​

Answer 1

Answer:

(i) 2 × 5 × 7

(ii) 3 × 7 × 7

(iii) 2 × 7 × 13

(iv) 2 × 2 × 3 × 5

(v) 7 × 11 × 11

(vi) 5 × 5 × 7

(vii) 3 × 3 × 7

(viii) 2 × 3 × 3 × 7

(ix) 3 × 5 × 5 ×

Answer 2

Step-by-step explanation:

1. 42: 2×3×7

2. 95:5×19

3. 4. :2×2

4. 28: 2×2×7

5. 52: 4×13

6. 40: 2×2×2×5