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What is the Least Common Multiple of 31913 and 31918?

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 31913 and 31918 is 1018599134.

LCM(31913,31918) = 1018599134

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Least Common Multiple of 31913 and 31918 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31913 and 31918, than apply into the LCM equation.

GCF(31913,31918) = 1
LCM(31913,31918) = ( 31913 × 31918) / 1
LCM(31913,31918) = 1018599134 / 1
LCM(31913,31918) = 1018599134

Least Common Multiple (LCM) of 31913 and 31918 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31913 and 31918. First we will calculate the prime factors of 31913 and 31918.

Prime Factorization of 31913

Prime factors of 31913 are 7, 47, 97. Prime factorization of 31913 in exponential form is:

31913 = 71 × 471 × 971

Prime Factorization of 31918

Prime factors of 31918 are 2, 15959. Prime factorization of 31918 in exponential form is:

31918 = 21 × 159591

Now multiplying the highest exponent prime factors to calculate the LCM of 31913 and 31918.

LCM(31913,31918) = 71 × 471 × 971 × 21 × 159591
LCM(31913,31918) = 1018599134