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What is the Least Common Multiple of 6638 and 6654?

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 6638 and 6654 is 22084626.

LCM(6638,6654) = 22084626

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Least Common Multiple of 6638 and 6654 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6638 and 6654, than apply into the LCM equation.

GCF(6638,6654) = 2
LCM(6638,6654) = ( 6638 × 6654) / 2
LCM(6638,6654) = 44169252 / 2
LCM(6638,6654) = 22084626

Least Common Multiple (LCM) of 6638 and 6654 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6638 and 6654. First we will calculate the prime factors of 6638 and 6654.

Prime Factorization of 6638

Prime factors of 6638 are 2, 3319. Prime factorization of 6638 in exponential form is:

6638 = 21 × 33191

Prime Factorization of 6654

Prime factors of 6654 are 2, 3, 1109. Prime factorization of 6654 in exponential form is:

6654 = 21 × 31 × 11091

Now multiplying the highest exponent prime factors to calculate the LCM of 6638 and 6654.

LCM(6638,6654) = 21 × 33191 × 31 × 11091
LCM(6638,6654) = 22084626