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What is the Least Common Multiple of 91712 and 91728?

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 91712 and 91728 is 525784896.

LCM(91712,91728) = 525784896

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Least Common Multiple of 91712 and 91728 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91712 and 91728, than apply into the LCM equation.

GCF(91712,91728) = 16
LCM(91712,91728) = ( 91712 × 91728) / 16
LCM(91712,91728) = 8412558336 / 16
LCM(91712,91728) = 525784896

Least Common Multiple (LCM) of 91712 and 91728 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91712 and 91728. First we will calculate the prime factors of 91712 and 91728.

Prime Factorization of 91712

Prime factors of 91712 are 2, 1433. Prime factorization of 91712 in exponential form is:

91712 = 26 × 14331

Prime Factorization of 91728

Prime factors of 91728 are 2, 3, 7, 13. Prime factorization of 91728 in exponential form is:

91728 = 24 × 32 × 72 × 131

Now multiplying the highest exponent prime factors to calculate the LCM of 91712 and 91728.

LCM(91712,91728) = 26 × 14331 × 32 × 72 × 131
LCM(91712,91728) = 525784896