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What is the Least Common Multiple of 31711 and 31731?

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 31711 and 31731 is 1006221741.

LCM(31711,31731) = 1006221741

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Least Common Multiple of 31711 and 31731 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31711 and 31731, than apply into the LCM equation.

GCF(31711,31731) = 1
LCM(31711,31731) = ( 31711 × 31731) / 1
LCM(31711,31731) = 1006221741 / 1
LCM(31711,31731) = 1006221741

Least Common Multiple (LCM) of 31711 and 31731 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31711 and 31731. First we will calculate the prime factors of 31711 and 31731.

Prime Factorization of 31711

Prime factors of 31711 are 19, 1669. Prime factorization of 31711 in exponential form is:

31711 = 191 × 16691

Prime Factorization of 31731

Prime factors of 31731 are 3, 7, 1511. Prime factorization of 31731 in exponential form is:

31731 = 31 × 71 × 15111

Now multiplying the highest exponent prime factors to calculate the LCM of 31711 and 31731.

LCM(31711,31731) = 191 × 16691 × 31 × 71 × 15111
LCM(31711,31731) = 1006221741