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What is the Least Common Multiple of 72129 and 72149?

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 72129 and 72149 is 5204035221.

LCM(72129,72149) = 5204035221

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Least Common Multiple of 72129 and 72149 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72129 and 72149, than apply into the LCM equation.

GCF(72129,72149) = 1
LCM(72129,72149) = ( 72129 × 72149) / 1
LCM(72129,72149) = 5204035221 / 1
LCM(72129,72149) = 5204035221

Least Common Multiple (LCM) of 72129 and 72149 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72129 and 72149. First we will calculate the prime factors of 72129 and 72149.

Prime Factorization of 72129

Prime factors of 72129 are 3, 24043. Prime factorization of 72129 in exponential form is:

72129 = 31 × 240431

Prime Factorization of 72149

Prime factors of 72149 are 7, 11, 937. Prime factorization of 72149 in exponential form is:

72149 = 71 × 111 × 9371

Now multiplying the highest exponent prime factors to calculate the LCM of 72129 and 72149.

LCM(72129,72149) = 31 × 240431 × 71 × 111 × 9371
LCM(72129,72149) = 5204035221