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What is the Least Common Multiple of 86790 and 86808?

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 86790 and 86808 is 1255677720.

LCM(86790,86808) = 1255677720

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Least Common Multiple of 86790 and 86808 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 86790 and 86808, than apply into the LCM equation.

GCF(86790,86808) = 6
LCM(86790,86808) = ( 86790 × 86808) / 6
LCM(86790,86808) = 7534066320 / 6
LCM(86790,86808) = 1255677720

Least Common Multiple (LCM) of 86790 and 86808 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 86790 and 86808. First we will calculate the prime factors of 86790 and 86808.

Prime Factorization of 86790

Prime factors of 86790 are 2, 3, 5, 11, 263. Prime factorization of 86790 in exponential form is:

86790 = 21 × 31 × 51 × 111 × 2631

Prime Factorization of 86808

Prime factors of 86808 are 2, 3, 3617. Prime factorization of 86808 in exponential form is:

86808 = 23 × 31 × 36171

Now multiplying the highest exponent prime factors to calculate the LCM of 86790 and 86808.

LCM(86790,86808) = 23 × 31 × 51 × 111 × 2631 × 36171
LCM(86790,86808) = 1255677720