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What is the Least Common Multiple of 31619 and 31631?

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 31619 and 31631 is 1000140589.

LCM(31619,31631) = 1000140589

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Least Common Multiple of 31619 and 31631 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31619 and 31631, than apply into the LCM equation.

GCF(31619,31631) = 1
LCM(31619,31631) = ( 31619 × 31631) / 1
LCM(31619,31631) = 1000140589 / 1
LCM(31619,31631) = 1000140589

Least Common Multiple (LCM) of 31619 and 31631 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31619 and 31631. First we will calculate the prime factors of 31619 and 31631.

Prime Factorization of 31619

Prime factors of 31619 are 7, 4517. Prime factorization of 31619 in exponential form is:

31619 = 71 × 45171

Prime Factorization of 31631

Prime factors of 31631 are 47, 673. Prime factorization of 31631 in exponential form is:

31631 = 471 × 6731

Now multiplying the highest exponent prime factors to calculate the LCM of 31619 and 31631.

LCM(31619,31631) = 71 × 45171 × 471 × 6731
LCM(31619,31631) = 1000140589