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What is the Least Common Multiple of 31918 and 31936?

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 31918 and 31936 is 509666624.

LCM(31918,31936) = 509666624

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Least Common Multiple of 31918 and 31936 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31918 and 31936, than apply into the LCM equation.

GCF(31918,31936) = 2
LCM(31918,31936) = ( 31918 × 31936) / 2
LCM(31918,31936) = 1019333248 / 2
LCM(31918,31936) = 509666624

Least Common Multiple (LCM) of 31918 and 31936 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31918 and 31936. First we will calculate the prime factors of 31918 and 31936.

Prime Factorization of 31918

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

31918 = 21 × 159591

Prime Factorization of 31936

Prime factors of 31936 are 2, 499. Prime factorization of 31936 in exponential form is:

31936 = 26 × 4991

Now multiplying the highest exponent prime factors to calculate the LCM of 31918 and 31936.

LCM(31918,31936) = 26 × 159591 × 4991
LCM(31918,31936) = 509666624