find the hcf and lcm of 18, 24 and 32 by prime factorization method
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2 | 18
3 |9
3 |3
| 1
2|24
2|12
2|6
3|3
|1
2|32
2|16
2|8
2|4
2|2
|1
18=2*3*3
24=2*2*2*3
32=2*2*2*2*2
The only common number in the following is 2 and it's the highest one
Hence, Therefore, the HCF of the following is 2
3 |9
3 |3
| 1
2|24
2|12
2|6
3|3
|1
2|32
2|16
2|8
2|4
2|2
|1
18=2*3*3
24=2*2*2*3
32=2*2*2*2*2
The only common number in the following is 2 and it's the highest one
Hence, Therefore, the HCF of the following is 2
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