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What is the Least Common Multiple of 31813 and 31828?

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 31813 and 31828 is 1012544164.

LCM(31813,31828) = 1012544164

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Least Common Multiple of 31813 and 31828 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31813 and 31828, than apply into the LCM equation.

GCF(31813,31828) = 1
LCM(31813,31828) = ( 31813 × 31828) / 1
LCM(31813,31828) = 1012544164 / 1
LCM(31813,31828) = 1012544164

Least Common Multiple (LCM) of 31813 and 31828 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31813 and 31828. First we will calculate the prime factors of 31813 and 31828.

Prime Factorization of 31813

Prime factors of 31813 are 29, 1097. Prime factorization of 31813 in exponential form is:

31813 = 291 × 10971

Prime Factorization of 31828

Prime factors of 31828 are 2, 73, 109. Prime factorization of 31828 in exponential form is:

31828 = 22 × 731 × 1091

Now multiplying the highest exponent prime factors to calculate the LCM of 31813 and 31828.

LCM(31813,31828) = 291 × 10971 × 22 × 731 × 1091
LCM(31813,31828) = 1012544164