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What is the Least Common Multiple of 39631 and 39647?

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 39631 and 39647 is 1571250257.

LCM(39631,39647) = 1571250257

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Least Common Multiple of 39631 and 39647 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39631 and 39647, than apply into the LCM equation.

GCF(39631,39647) = 1
LCM(39631,39647) = ( 39631 × 39647) / 1
LCM(39631,39647) = 1571250257 / 1
LCM(39631,39647) = 1571250257

Least Common Multiple (LCM) of 39631 and 39647 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39631 and 39647. First we will calculate the prime factors of 39631 and 39647.

Prime Factorization of 39631

Prime factors of 39631 are 39631. Prime factorization of 39631 in exponential form is:

39631 = 396311

Prime Factorization of 39647

Prime factors of 39647 are 41, 967. Prime factorization of 39647 in exponential form is:

39647 = 411 × 9671

Now multiplying the highest exponent prime factors to calculate the LCM of 39631 and 39647.

LCM(39631,39647) = 396311 × 411 × 9671
LCM(39631,39647) = 1571250257