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What is the Least Common Multiple of 72146 and 72165?

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 72146 and 72165 is 5206416090.

LCM(72146,72165) = 5206416090

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Least Common Multiple of 72146 and 72165 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72146 and 72165, than apply into the LCM equation.

GCF(72146,72165) = 1
LCM(72146,72165) = ( 72146 × 72165) / 1
LCM(72146,72165) = 5206416090 / 1
LCM(72146,72165) = 5206416090

Least Common Multiple (LCM) of 72146 and 72165 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72146 and 72165. First we will calculate the prime factors of 72146 and 72165.

Prime Factorization of 72146

Prime factors of 72146 are 2, 36073. Prime factorization of 72146 in exponential form is:

72146 = 21 × 360731

Prime Factorization of 72165

Prime factors of 72165 are 3, 5, 17, 283. Prime factorization of 72165 in exponential form is:

72165 = 31 × 51 × 171 × 2831

Now multiplying the highest exponent prime factors to calculate the LCM of 72146 and 72165.

LCM(72146,72165) = 21 × 360731 × 31 × 51 × 171 × 2831
LCM(72146,72165) = 5206416090