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What is the Least Common Multiple of 83671 and 83687?

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 83671 and 83687 is 7002174977.

LCM(83671,83687) = 7002174977

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Least Common Multiple of 83671 and 83687 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83671 and 83687, than apply into the LCM equation.

GCF(83671,83687) = 1
LCM(83671,83687) = ( 83671 × 83687) / 1
LCM(83671,83687) = 7002174977 / 1
LCM(83671,83687) = 7002174977

Least Common Multiple (LCM) of 83671 and 83687 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83671 and 83687. First we will calculate the prime factors of 83671 and 83687.

Prime Factorization of 83671

Prime factors of 83671 are 7, 11953. Prime factorization of 83671 in exponential form is:

83671 = 71 × 119531

Prime Factorization of 83687

Prime factors of 83687 are 53, 1579. Prime factorization of 83687 in exponential form is:

83687 = 531 × 15791

Now multiplying the highest exponent prime factors to calculate the LCM of 83671 and 83687.

LCM(83671,83687) = 71 × 119531 × 531 × 15791
LCM(83671,83687) = 7002174977