Question

Is 1 the HCF of 7 and 15?why? ​

Answer 1

HEY MATE HERE IS YOUR ANSWER ⭐

Find the prime factorization of 7

7 = 7

Find the prime factorization of 15

15 = 3 × 5

To find the gcf, multiply all the prime factors common to both numbers:

Therefore, GCF = 1

MAKE A POINT THAT HCF AND GCF ARE SAME

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Answer 2

The greatest common factor for 7 and 15 is 1

explanation:

the factor of 7 are 1&7

the factor of 15 are 1,3,5&15

so as we can see the greatest common factor is 1

because it is the greatest number that divides evenly into all of them......

hope it's helpful