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What is the Least Common Multiple of 38617 and 38631?

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 38617 and 38631 is 1491813327.

LCM(38617,38631) = 1491813327

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Least Common Multiple of 38617 and 38631 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38617 and 38631, than apply into the LCM equation.

GCF(38617,38631) = 1
LCM(38617,38631) = ( 38617 × 38631) / 1
LCM(38617,38631) = 1491813327 / 1
LCM(38617,38631) = 1491813327

Least Common Multiple (LCM) of 38617 and 38631 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38617 and 38631. First we will calculate the prime factors of 38617 and 38631.

Prime Factorization of 38617

Prime factors of 38617 are 23, 73. Prime factorization of 38617 in exponential form is:

38617 = 232 × 731

Prime Factorization of 38631

Prime factors of 38631 are 3, 79, 163. Prime factorization of 38631 in exponential form is:

38631 = 31 × 791 × 1631

Now multiplying the highest exponent prime factors to calculate the LCM of 38617 and 38631.

LCM(38617,38631) = 232 × 731 × 31 × 791 × 1631
LCM(38617,38631) = 1491813327