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What is the Least Common Multiple of 31676 and 31691?

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 31676 and 31691 is 1003844116.

LCM(31676,31691) = 1003844116

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Least Common Multiple of 31676 and 31691 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31676 and 31691, than apply into the LCM equation.

GCF(31676,31691) = 1
LCM(31676,31691) = ( 31676 × 31691) / 1
LCM(31676,31691) = 1003844116 / 1
LCM(31676,31691) = 1003844116

Least Common Multiple (LCM) of 31676 and 31691 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31676 and 31691. First we will calculate the prime factors of 31676 and 31691.

Prime Factorization of 31676

Prime factors of 31676 are 2, 7919. Prime factorization of 31676 in exponential form is:

31676 = 22 × 79191

Prime Factorization of 31691

Prime factors of 31691 are 11, 43, 67. Prime factorization of 31691 in exponential form is:

31691 = 111 × 431 × 671

Now multiplying the highest exponent prime factors to calculate the LCM of 31676 and 31691.

LCM(31676,31691) = 22 × 79191 × 111 × 431 × 671
LCM(31676,31691) = 1003844116