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What is the Least Common Multiple of 64930 and 64938?

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 64930 and 64938 is 2108212170.

LCM(64930,64938) = 2108212170

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Least Common Multiple of 64930 and 64938 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64930 and 64938, than apply into the LCM equation.

GCF(64930,64938) = 2
LCM(64930,64938) = ( 64930 × 64938) / 2
LCM(64930,64938) = 4216424340 / 2
LCM(64930,64938) = 2108212170

Least Common Multiple (LCM) of 64930 and 64938 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64930 and 64938. First we will calculate the prime factors of 64930 and 64938.

Prime Factorization of 64930

Prime factors of 64930 are 2, 5, 43, 151. Prime factorization of 64930 in exponential form is:

64930 = 21 × 51 × 431 × 1511

Prime Factorization of 64938

Prime factors of 64938 are 2, 3, 79, 137. Prime factorization of 64938 in exponential form is:

64938 = 21 × 31 × 791 × 1371

Now multiplying the highest exponent prime factors to calculate the LCM of 64930 and 64938.

LCM(64930,64938) = 21 × 51 × 431 × 1511 × 31 × 791 × 1371
LCM(64930,64938) = 2108212170