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What is the Least Common Multiple of 31629 and 31646?

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 31629 and 31646 is 1000931334.

LCM(31629,31646) = 1000931334

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Least Common Multiple of 31629 and 31646 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31629 and 31646, than apply into the LCM equation.

GCF(31629,31646) = 1
LCM(31629,31646) = ( 31629 × 31646) / 1
LCM(31629,31646) = 1000931334 / 1
LCM(31629,31646) = 1000931334

Least Common Multiple (LCM) of 31629 and 31646 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31629 and 31646. First we will calculate the prime factors of 31629 and 31646.

Prime Factorization of 31629

Prime factors of 31629 are 3, 13, 811. Prime factorization of 31629 in exponential form is:

31629 = 31 × 131 × 8111

Prime Factorization of 31646

Prime factors of 31646 are 2, 15823. Prime factorization of 31646 in exponential form is:

31646 = 21 × 158231

Now multiplying the highest exponent prime factors to calculate the LCM of 31629 and 31646.

LCM(31629,31646) = 31 × 131 × 8111 × 21 × 158231
LCM(31629,31646) = 1000931334