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What is the Least Common Multiple of 28655 and 28674?

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 28655 and 28674 is 821653470.

LCM(28655,28674) = 821653470

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Least Common Multiple of 28655 and 28674 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28655 and 28674, than apply into the LCM equation.

GCF(28655,28674) = 1
LCM(28655,28674) = ( 28655 × 28674) / 1
LCM(28655,28674) = 821653470 / 1
LCM(28655,28674) = 821653470

Least Common Multiple (LCM) of 28655 and 28674 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28655 and 28674. First we will calculate the prime factors of 28655 and 28674.

Prime Factorization of 28655

Prime factors of 28655 are 5, 11, 521. Prime factorization of 28655 in exponential form is:

28655 = 51 × 111 × 5211

Prime Factorization of 28674

Prime factors of 28674 are 2, 3, 59. Prime factorization of 28674 in exponential form is:

28674 = 21 × 35 × 591

Now multiplying the highest exponent prime factors to calculate the LCM of 28655 and 28674.

LCM(28655,28674) = 51 × 111 × 5211 × 21 × 35 × 591
LCM(28655,28674) = 821653470