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What is the Least Common Multiple of 11915 and 11925?

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 11915 and 11925 is 28417275.

LCM(11915,11925) = 28417275

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Least Common Multiple of 11915 and 11925 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11915 and 11925, than apply into the LCM equation.

GCF(11915,11925) = 5
LCM(11915,11925) = ( 11915 × 11925) / 5
LCM(11915,11925) = 142086375 / 5
LCM(11915,11925) = 28417275

Least Common Multiple (LCM) of 11915 and 11925 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11915 and 11925. First we will calculate the prime factors of 11915 and 11925.

Prime Factorization of 11915

Prime factors of 11915 are 5, 2383. Prime factorization of 11915 in exponential form is:

11915 = 51 × 23831

Prime Factorization of 11925

Prime factors of 11925 are 3, 5, 53. Prime factorization of 11925 in exponential form is:

11925 = 32 × 52 × 531

Now multiplying the highest exponent prime factors to calculate the LCM of 11915 and 11925.

LCM(11915,11925) = 52 × 23831 × 32 × 531
LCM(11915,11925) = 28417275