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What is the Least Common Multiple of 6615 and 6619?

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 6615 and 6619 is 43784685.

LCM(6615,6619) = 43784685

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Least Common Multiple of 6615 and 6619 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6615 and 6619, than apply into the LCM equation.

GCF(6615,6619) = 1
LCM(6615,6619) = ( 6615 × 6619) / 1
LCM(6615,6619) = 43784685 / 1
LCM(6615,6619) = 43784685

Least Common Multiple (LCM) of 6615 and 6619 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6615 and 6619. First we will calculate the prime factors of 6615 and 6619.

Prime Factorization of 6615

Prime factors of 6615 are 3, 5, 7. Prime factorization of 6615 in exponential form is:

6615 = 33 × 51 × 72

Prime Factorization of 6619

Prime factors of 6619 are 6619. Prime factorization of 6619 in exponential form is:

6619 = 66191

Now multiplying the highest exponent prime factors to calculate the LCM of 6615 and 6619.

LCM(6615,6619) = 33 × 51 × 72 × 66191
LCM(6615,6619) = 43784685