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What is the Least Common Multiple of 71631 and 71637?

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 71631 and 71637 is 1710476649.

LCM(71631,71637) = 1710476649

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Least Common Multiple of 71631 and 71637 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71631 and 71637, than apply into the LCM equation.

GCF(71631,71637) = 3
LCM(71631,71637) = ( 71631 × 71637) / 3
LCM(71631,71637) = 5131429947 / 3
LCM(71631,71637) = 1710476649

Least Common Multiple (LCM) of 71631 and 71637 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71631 and 71637. First we will calculate the prime factors of 71631 and 71637.

Prime Factorization of 71631

Prime factors of 71631 are 3, 7, 379. Prime factorization of 71631 in exponential form is:

71631 = 33 × 71 × 3791

Prime Factorization of 71637

Prime factors of 71637 are 3, 23879. Prime factorization of 71637 in exponential form is:

71637 = 31 × 238791

Now multiplying the highest exponent prime factors to calculate the LCM of 71631 and 71637.

LCM(71631,71637) = 33 × 71 × 3791 × 238791
LCM(71631,71637) = 1710476649