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What is the Least Common Multiple of 64987 and 64997?

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 64987 and 64997 is 4223960039.

LCM(64987,64997) = 4223960039

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Least Common Multiple of 64987 and 64997 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64987 and 64997, than apply into the LCM equation.

GCF(64987,64997) = 1
LCM(64987,64997) = ( 64987 × 64997) / 1
LCM(64987,64997) = 4223960039 / 1
LCM(64987,64997) = 4223960039

Least Common Multiple (LCM) of 64987 and 64997 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64987 and 64997. First we will calculate the prime factors of 64987 and 64997.

Prime Factorization of 64987

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

64987 = 131 × 49991

Prime Factorization of 64997

Prime factors of 64997 are 64997. Prime factorization of 64997 in exponential form is:

64997 = 649971

Now multiplying the highest exponent prime factors to calculate the LCM of 64987 and 64997.

LCM(64987,64997) = 131 × 49991 × 649971
LCM(64987,64997) = 4223960039