Find the prime factor using the prime factorisation method.
1. 42
2. 24
3.36
4. 50
5.63
6. 62
7. 81
8. 66
9. 65
10. 56
11. 91
12. 72
13. 84
14. 87
15. 99
Answers
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1) 42= 2*3*7
2) 24 = 2³*3
3) 36= 2²*3²
4) 50= 2*5²
5) 63= 3²*7
6) 62= 2*31
7) 81= 3⁴
8) 66= 2*3*11
9) 65= 5*13
10) 56= 2³*7
11) 91= 7*13
12) 72= 2³*3²
13) 84= 2²*3*7
14) 87= 3*29
15) 99= 3²*11
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