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What is the Least Common Multiple of 12622 and 12639?

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 12622 and 12639 is 159529458.

LCM(12622,12639) = 159529458

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Least Common Multiple of 12622 and 12639 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12622 and 12639, than apply into the LCM equation.

GCF(12622,12639) = 1
LCM(12622,12639) = ( 12622 × 12639) / 1
LCM(12622,12639) = 159529458 / 1
LCM(12622,12639) = 159529458

Least Common Multiple (LCM) of 12622 and 12639 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12622 and 12639. First we will calculate the prime factors of 12622 and 12639.

Prime Factorization of 12622

Prime factors of 12622 are 2, 6311. Prime factorization of 12622 in exponential form is:

12622 = 21 × 63111

Prime Factorization of 12639

Prime factors of 12639 are 3, 11, 383. Prime factorization of 12639 in exponential form is:

12639 = 31 × 111 × 3831

Now multiplying the highest exponent prime factors to calculate the LCM of 12622 and 12639.

LCM(12622,12639) = 21 × 63111 × 31 × 111 × 3831
LCM(12622,12639) = 159529458