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What is the Least Common Multiple of 86681 and 86687?

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 86681 and 86687 is 7514115847.

LCM(86681,86687) = 7514115847

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Least Common Multiple of 86681 and 86687 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 86681 and 86687, than apply into the LCM equation.

GCF(86681,86687) = 1
LCM(86681,86687) = ( 86681 × 86687) / 1
LCM(86681,86687) = 7514115847 / 1
LCM(86681,86687) = 7514115847

Least Common Multiple (LCM) of 86681 and 86687 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 86681 and 86687. First we will calculate the prime factors of 86681 and 86687.

Prime Factorization of 86681

Prime factors of 86681 are 7, 29, 61. Prime factorization of 86681 in exponential form is:

86681 = 72 × 291 × 611

Prime Factorization of 86687

Prime factors of 86687 are 23, 3769. Prime factorization of 86687 in exponential form is:

86687 = 231 × 37691

Now multiplying the highest exponent prime factors to calculate the LCM of 86681 and 86687.

LCM(86681,86687) = 72 × 291 × 611 × 231 × 37691
LCM(86681,86687) = 7514115847