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What is the Least Common Multiple of 91620 and 91631?

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 91620 and 91631 is 8395232220.

LCM(91620,91631) = 8395232220

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Least Common Multiple of 91620 and 91631 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91620 and 91631, than apply into the LCM equation.

GCF(91620,91631) = 1
LCM(91620,91631) = ( 91620 × 91631) / 1
LCM(91620,91631) = 8395232220 / 1
LCM(91620,91631) = 8395232220

Least Common Multiple (LCM) of 91620 and 91631 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91620 and 91631. First we will calculate the prime factors of 91620 and 91631.

Prime Factorization of 91620

Prime factors of 91620 are 2, 3, 5, 509. Prime factorization of 91620 in exponential form is:

91620 = 22 × 32 × 51 × 5091

Prime Factorization of 91631

Prime factors of 91631 are 91631. Prime factorization of 91631 in exponential form is:

91631 = 916311

Now multiplying the highest exponent prime factors to calculate the LCM of 91620 and 91631.

LCM(91620,91631) = 22 × 32 × 51 × 5091 × 916311
LCM(91620,91631) = 8395232220