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What is the Least Common Multiple of 31604 and 31615?

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 31604 and 31615 is 999160460.

LCM(31604,31615) = 999160460

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Least Common Multiple of 31604 and 31615 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31604 and 31615, than apply into the LCM equation.

GCF(31604,31615) = 1
LCM(31604,31615) = ( 31604 × 31615) / 1
LCM(31604,31615) = 999160460 / 1
LCM(31604,31615) = 999160460

Least Common Multiple (LCM) of 31604 and 31615 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31604 and 31615. First we will calculate the prime factors of 31604 and 31615.

Prime Factorization of 31604

Prime factors of 31604 are 2, 7901. Prime factorization of 31604 in exponential form is:

31604 = 22 × 79011

Prime Factorization of 31615

Prime factors of 31615 are 5, 6323. Prime factorization of 31615 in exponential form is:

31615 = 51 × 63231

Now multiplying the highest exponent prime factors to calculate the LCM of 31604 and 31615.

LCM(31604,31615) = 22 × 79011 × 51 × 63231
LCM(31604,31615) = 999160460