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What is the Least Common Multiple of 31173 and 31179?

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 31173 and 31179 is 323980989.

LCM(31173,31179) = 323980989

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Least Common Multiple of 31173 and 31179 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31173 and 31179, than apply into the LCM equation.

GCF(31173,31179) = 3
LCM(31173,31179) = ( 31173 × 31179) / 3
LCM(31173,31179) = 971942967 / 3
LCM(31173,31179) = 323980989

Least Common Multiple (LCM) of 31173 and 31179 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31173 and 31179. First we will calculate the prime factors of 31173 and 31179.

Prime Factorization of 31173

Prime factors of 31173 are 3, 10391. Prime factorization of 31173 in exponential form is:

31173 = 31 × 103911

Prime Factorization of 31179

Prime factors of 31179 are 3, 19, 547. Prime factorization of 31179 in exponential form is:

31179 = 31 × 191 × 5471

Now multiplying the highest exponent prime factors to calculate the LCM of 31173 and 31179.

LCM(31173,31179) = 31 × 103911 × 191 × 5471
LCM(31173,31179) = 323980989