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What is the Least Common Multiple of 64988 and 65006?

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 64988 and 65006 is 2112304964.

LCM(64988,65006) = 2112304964

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Least Common Multiple of 64988 and 65006 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64988 and 65006, than apply into the LCM equation.

GCF(64988,65006) = 2
LCM(64988,65006) = ( 64988 × 65006) / 2
LCM(64988,65006) = 4224609928 / 2
LCM(64988,65006) = 2112304964

Least Common Multiple (LCM) of 64988 and 65006 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64988 and 65006. First we will calculate the prime factors of 64988 and 65006.

Prime Factorization of 64988

Prime factors of 64988 are 2, 7, 11, 211. Prime factorization of 64988 in exponential form is:

64988 = 22 × 71 × 111 × 2111

Prime Factorization of 65006

Prime factors of 65006 are 2, 32503. Prime factorization of 65006 in exponential form is:

65006 = 21 × 325031

Now multiplying the highest exponent prime factors to calculate the LCM of 64988 and 65006.

LCM(64988,65006) = 22 × 71 × 111 × 2111 × 325031
LCM(64988,65006) = 2112304964