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What is the Least Common Multiple of 39657 and 39666?

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 39657 and 39666 is 524344854.

LCM(39657,39666) = 524344854

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Least Common Multiple of 39657 and 39666 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39657 and 39666, than apply into the LCM equation.

GCF(39657,39666) = 3
LCM(39657,39666) = ( 39657 × 39666) / 3
LCM(39657,39666) = 1573034562 / 3
LCM(39657,39666) = 524344854

Least Common Multiple (LCM) of 39657 and 39666 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39657 and 39666. First we will calculate the prime factors of 39657 and 39666.

Prime Factorization of 39657

Prime factors of 39657 are 3, 13219. Prime factorization of 39657 in exponential form is:

39657 = 31 × 132191

Prime Factorization of 39666

Prime factors of 39666 are 2, 3, 11, 601. Prime factorization of 39666 in exponential form is:

39666 = 21 × 31 × 111 × 6011

Now multiplying the highest exponent prime factors to calculate the LCM of 39657 and 39666.

LCM(39657,39666) = 31 × 132191 × 21 × 111 × 6011
LCM(39657,39666) = 524344854