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What is the Least Common Multiple of 72149 and 72155?

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 72149 and 72155 is 5205911095.

LCM(72149,72155) = 5205911095

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Least Common Multiple of 72149 and 72155 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72149 and 72155, than apply into the LCM equation.

GCF(72149,72155) = 1
LCM(72149,72155) = ( 72149 × 72155) / 1
LCM(72149,72155) = 5205911095 / 1
LCM(72149,72155) = 5205911095

Least Common Multiple (LCM) of 72149 and 72155 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72149 and 72155. First we will calculate the prime factors of 72149 and 72155.

Prime Factorization of 72149

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

72149 = 71 × 111 × 9371

Prime Factorization of 72155

Prime factors of 72155 are 5, 14431. Prime factorization of 72155 in exponential form is:

72155 = 51 × 144311

Now multiplying the highest exponent prime factors to calculate the LCM of 72149 and 72155.

LCM(72149,72155) = 71 × 111 × 9371 × 51 × 144311
LCM(72149,72155) = 5205911095