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What is the Least Common Multiple of 64975 and 64987?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 64975 and 64987 is 4222530325.

LCM(64975,64987) = 4222530325

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Least Common Multiple of 64975 and 64987 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64975 and 64987, than apply into the LCM equation.

GCF(64975,64987) = 1
LCM(64975,64987) = ( 64975 × 64987) / 1
LCM(64975,64987) = 4222530325 / 1
LCM(64975,64987) = 4222530325

Least Common Multiple (LCM) of 64975 and 64987 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64975 and 64987. First we will calculate the prime factors of 64975 and 64987.

Prime Factorization of 64975

Prime factors of 64975 are 5, 23, 113. Prime factorization of 64975 in exponential form is:

64975 = 52 × 231 × 1131

Prime Factorization of 64987

Prime factors of 64987 are 13, 4999. Prime factorization of 64987 in exponential form is:

64987 = 131 × 49991

Now multiplying the highest exponent prime factors to calculate the LCM of 64975 and 64987.

LCM(64975,64987) = 52 × 231 × 1131 × 131 × 49991
LCM(64975,64987) = 4222530325