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What is the Least Common Multiple of 31179 and 31189?

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 31179 and 31189 is 972441831.

LCM(31179,31189) = 972441831

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Least Common Multiple of 31179 and 31189 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31179 and 31189, than apply into the LCM equation.

GCF(31179,31189) = 1
LCM(31179,31189) = ( 31179 × 31189) / 1
LCM(31179,31189) = 972441831 / 1
LCM(31179,31189) = 972441831

Least Common Multiple (LCM) of 31179 and 31189 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31179 and 31189. First we will calculate the prime factors of 31179 and 31189.

Prime Factorization of 31179

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

31179 = 31 × 191 × 5471

Prime Factorization of 31189

Prime factors of 31189 are 31189. Prime factorization of 31189 in exponential form is:

31189 = 311891

Now multiplying the highest exponent prime factors to calculate the LCM of 31179 and 31189.

LCM(31179,31189) = 31 × 191 × 5471 × 311891
LCM(31179,31189) = 972441831