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What is the Least Common Multiple of 28489 and 28502?

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 28489 and 28502 is 811993478.

LCM(28489,28502) = 811993478

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Least Common Multiple of 28489 and 28502 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28489 and 28502, than apply into the LCM equation.

GCF(28489,28502) = 1
LCM(28489,28502) = ( 28489 × 28502) / 1
LCM(28489,28502) = 811993478 / 1
LCM(28489,28502) = 811993478

Least Common Multiple (LCM) of 28489 and 28502 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28489 and 28502. First we will calculate the prime factors of 28489 and 28502.

Prime Factorization of 28489

Prime factors of 28489 are 31, 919. Prime factorization of 28489 in exponential form is:

28489 = 311 × 9191

Prime Factorization of 28502

Prime factors of 28502 are 2, 14251. Prime factorization of 28502 in exponential form is:

28502 = 21 × 142511

Now multiplying the highest exponent prime factors to calculate the LCM of 28489 and 28502.

LCM(28489,28502) = 311 × 9191 × 21 × 142511
LCM(28489,28502) = 811993478