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What is the Least Common Multiple of 91500 and 91505?

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 91500 and 91505 is 1674541500.

LCM(91500,91505) = 1674541500

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Least Common Multiple of 91500 and 91505 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91500 and 91505, than apply into the LCM equation.

GCF(91500,91505) = 5
LCM(91500,91505) = ( 91500 × 91505) / 5
LCM(91500,91505) = 8372707500 / 5
LCM(91500,91505) = 1674541500

Least Common Multiple (LCM) of 91500 and 91505 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91500 and 91505. First we will calculate the prime factors of 91500 and 91505.

Prime Factorization of 91500

Prime factors of 91500 are 2, 3, 5, 61. Prime factorization of 91500 in exponential form is:

91500 = 22 × 31 × 53 × 611

Prime Factorization of 91505

Prime factors of 91505 are 5, 18301. Prime factorization of 91505 in exponential form is:

91505 = 51 × 183011

Now multiplying the highest exponent prime factors to calculate the LCM of 91500 and 91505.

LCM(91500,91505) = 22 × 31 × 53 × 611 × 183011
LCM(91500,91505) = 1674541500