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