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What is the Least Common Multiple of 15627 and 15645?

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 15627 and 15645 is 81494805.

LCM(15627,15645) = 81494805

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Least Common Multiple of 15627 and 15645 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15627 and 15645, than apply into the LCM equation.

GCF(15627,15645) = 3
LCM(15627,15645) = ( 15627 × 15645) / 3
LCM(15627,15645) = 244484415 / 3
LCM(15627,15645) = 81494805

Least Common Multiple (LCM) of 15627 and 15645 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15627 and 15645. First we will calculate the prime factors of 15627 and 15645.

Prime Factorization of 15627

Prime factors of 15627 are 3, 5209. Prime factorization of 15627 in exponential form is:

15627 = 31 × 52091

Prime Factorization of 15645

Prime factors of 15645 are 3, 5, 7, 149. Prime factorization of 15645 in exponential form is:

15645 = 31 × 51 × 71 × 1491

Now multiplying the highest exponent prime factors to calculate the LCM of 15627 and 15645.

LCM(15627,15645) = 31 × 52091 × 51 × 71 × 1491
LCM(15627,15645) = 81494805