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What is the Least Common Multiple of 72131 and 72151?

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 72131 and 72151 is 5204323781.

LCM(72131,72151) = 5204323781

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Least Common Multiple of 72131 and 72151 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72131 and 72151, than apply into the LCM equation.

GCF(72131,72151) = 1
LCM(72131,72151) = ( 72131 × 72151) / 1
LCM(72131,72151) = 5204323781 / 1
LCM(72131,72151) = 5204323781

Least Common Multiple (LCM) of 72131 and 72151 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72131 and 72151. First we will calculate the prime factors of 72131 and 72151.

Prime Factorization of 72131

Prime factors of 72131 are 17, 4243. Prime factorization of 72131 in exponential form is:

72131 = 171 × 42431

Prime Factorization of 72151

Prime factors of 72151 are 23, 3137. Prime factorization of 72151 in exponential form is:

72151 = 231 × 31371

Now multiplying the highest exponent prime factors to calculate the LCM of 72131 and 72151.

LCM(72131,72151) = 171 × 42431 × 231 × 31371
LCM(72131,72151) = 5204323781