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The product of two numbers is . If the H.C.F. of these numbers is , then the greater number is:
(a)
(b)
(c)
(d)

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Important Questions on Problems on H.C.F and L.C.M
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Three numbers are in the ratio of and their L.C.M is . Their H.C.F is:

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The G.C.D. of and is:

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The product of two numbers is and their H.C.F. is . The number of such pairs is:

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The least multiple of which leaves a remainder of , when divided by and is:

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Find the lowest common multiple of and .

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The least number which should be added to so that the sum is exactly divisible by and is:

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Reduce to its lowest terms.

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The least number which when divided by and leaves a remainder , but when divided by leaves no remainder, is:
