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What is the Least Common Multiple of 91309 and 91315?

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 91309 and 91315 is 8337881335.

LCM(91309,91315) = 8337881335

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Least Common Multiple of 91309 and 91315 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91309 and 91315, than apply into the LCM equation.

GCF(91309,91315) = 1
LCM(91309,91315) = ( 91309 × 91315) / 1
LCM(91309,91315) = 8337881335 / 1
LCM(91309,91315) = 8337881335

Least Common Multiple (LCM) of 91309 and 91315 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91309 and 91315. First we will calculate the prime factors of 91309 and 91315.

Prime Factorization of 91309

Prime factors of 91309 are 91309. Prime factorization of 91309 in exponential form is:

91309 = 913091

Prime Factorization of 91315

Prime factors of 91315 are 5, 7, 2609. Prime factorization of 91315 in exponential form is:

91315 = 51 × 71 × 26091

Now multiplying the highest exponent prime factors to calculate the LCM of 91309 and 91315.

LCM(91309,91315) = 913091 × 51 × 71 × 26091
LCM(91309,91315) = 8337881335