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What is the Least Common Multiple of 78676 and 78687?

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 78676 and 78687 is 6190778412.

LCM(78676,78687) = 6190778412

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Least Common Multiple of 78676 and 78687 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78676 and 78687, than apply into the LCM equation.

GCF(78676,78687) = 1
LCM(78676,78687) = ( 78676 × 78687) / 1
LCM(78676,78687) = 6190778412 / 1
LCM(78676,78687) = 6190778412

Least Common Multiple (LCM) of 78676 and 78687 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78676 and 78687. First we will calculate the prime factors of 78676 and 78687.

Prime Factorization of 78676

Prime factors of 78676 are 2, 13, 17, 89. Prime factorization of 78676 in exponential form is:

78676 = 22 × 131 × 171 × 891

Prime Factorization of 78687

Prime factors of 78687 are 3, 7, 1249. Prime factorization of 78687 in exponential form is:

78687 = 32 × 71 × 12491

Now multiplying the highest exponent prime factors to calculate the LCM of 78676 and 78687.

LCM(78676,78687) = 22 × 131 × 171 × 891 × 32 × 71 × 12491
LCM(78676,78687) = 6190778412