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What is the Least Common Multiple of 64388 and 64408?

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 64388 and 64408 is 1036775576.

LCM(64388,64408) = 1036775576

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Least Common Multiple of 64388 and 64408 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64388 and 64408, than apply into the LCM equation.

GCF(64388,64408) = 4
LCM(64388,64408) = ( 64388 × 64408) / 4
LCM(64388,64408) = 4147102304 / 4
LCM(64388,64408) = 1036775576

Least Common Multiple (LCM) of 64388 and 64408 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64388 and 64408. First we will calculate the prime factors of 64388 and 64408.

Prime Factorization of 64388

Prime factors of 64388 are 2, 16097. Prime factorization of 64388 in exponential form is:

64388 = 22 × 160971

Prime Factorization of 64408

Prime factors of 64408 are 2, 83, 97. Prime factorization of 64408 in exponential form is:

64408 = 23 × 831 × 971

Now multiplying the highest exponent prime factors to calculate the LCM of 64388 and 64408.

LCM(64388,64408) = 23 × 160971 × 831 × 971
LCM(64388,64408) = 1036775576