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What is the Least Common Multiple of 91508 and 91518?

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 91508 and 91518 is 4187314572.

LCM(91508,91518) = 4187314572

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Least Common Multiple of 91508 and 91518 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91508 and 91518, than apply into the LCM equation.

GCF(91508,91518) = 2
LCM(91508,91518) = ( 91508 × 91518) / 2
LCM(91508,91518) = 8374629144 / 2
LCM(91508,91518) = 4187314572

Least Common Multiple (LCM) of 91508 and 91518 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91508 and 91518. First we will calculate the prime factors of 91508 and 91518.

Prime Factorization of 91508

Prime factors of 91508 are 2, 22877. Prime factorization of 91508 in exponential form is:

91508 = 22 × 228771

Prime Factorization of 91518

Prime factors of 91518 are 2, 3, 7, 2179. Prime factorization of 91518 in exponential form is:

91518 = 21 × 31 × 71 × 21791

Now multiplying the highest exponent prime factors to calculate the LCM of 91508 and 91518.

LCM(91508,91518) = 22 × 228771 × 31 × 71 × 21791
LCM(91508,91518) = 4187314572