Question

find the hcf of 2520 and 2268 by prime factorisation.​

Answer 1

Answer:

see the attachment

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Answer 2

2 2520 2 2268

2 1260. 2 1134

2 630. 3 567

3 315. 3 189

3 105. 3 63

7 35. 3 21

5 5. 7 7

HCF of 2520 and 2268 is 2 x 2 x 3 x 3 x 7

= 4 x 9 x 7 = 36 x 7

= 252