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Earn +20 ptsQ: What is the HCF of 15 and 290?
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What is the hcf and lcm of 5 and 15?
hcf(5, 15) = 5 lcm(5, 15) = 15.
What is the HCF for 15 and 20?
it is 5
What is the HCF of 15 27 36?
3
What is hcf of 15 and 20?
The GCF is 5.
What is the identity element for a binary operation defined on a set of natural nos such that ab equals HCF of a and b.?
I think it would be the number itself? If a*b is a binary operation giving HCF, Then, for example, 15*15 = 15. Factors of 15 are 1,3,5,15. So I guess with 2 15's, the HCF = 15. I hope it's right :)
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