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What is the Least Common Multiple of 72845 and 72864?

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 72845 and 72864 is 5307778080.

LCM(72845,72864) = 5307778080

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Least Common Multiple of 72845 and 72864 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72845 and 72864, than apply into the LCM equation.

GCF(72845,72864) = 1
LCM(72845,72864) = ( 72845 × 72864) / 1
LCM(72845,72864) = 5307778080 / 1
LCM(72845,72864) = 5307778080

Least Common Multiple (LCM) of 72845 and 72864 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72845 and 72864. First we will calculate the prime factors of 72845 and 72864.

Prime Factorization of 72845

Prime factors of 72845 are 5, 17, 857. Prime factorization of 72845 in exponential form is:

72845 = 51 × 171 × 8571

Prime Factorization of 72864

Prime factors of 72864 are 2, 3, 11, 23. Prime factorization of 72864 in exponential form is:

72864 = 25 × 32 × 111 × 231

Now multiplying the highest exponent prime factors to calculate the LCM of 72845 and 72864.

LCM(72845,72864) = 51 × 171 × 8571 × 25 × 32 × 111 × 231
LCM(72845,72864) = 5307778080