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What is the Least Common Multiple of 91630 and 91641?

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 91630 and 91641 is 763369530.

LCM(91630,91641) = 763369530

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Least Common Multiple of 91630 and 91641 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91630 and 91641, than apply into the LCM equation.

GCF(91630,91641) = 11
LCM(91630,91641) = ( 91630 × 91641) / 11
LCM(91630,91641) = 8397064830 / 11
LCM(91630,91641) = 763369530

Least Common Multiple (LCM) of 91630 and 91641 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91630 and 91641. First we will calculate the prime factors of 91630 and 91641.

Prime Factorization of 91630

Prime factors of 91630 are 2, 5, 7, 11, 17. Prime factorization of 91630 in exponential form is:

91630 = 21 × 51 × 72 × 111 × 171

Prime Factorization of 91641

Prime factors of 91641 are 3, 11, 2777. Prime factorization of 91641 in exponential form is:

91641 = 31 × 111 × 27771

Now multiplying the highest exponent prime factors to calculate the LCM of 91630 and 91641.

LCM(91630,91641) = 21 × 51 × 72 × 111 × 171 × 31 × 27771
LCM(91630,91641) = 763369530