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What is the Least Common Multiple of 28624 and 28635?

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 28624 and 28635 is 819648240.

LCM(28624,28635) = 819648240

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Least Common Multiple of 28624 and 28635 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28624 and 28635, than apply into the LCM equation.

GCF(28624,28635) = 1
LCM(28624,28635) = ( 28624 × 28635) / 1
LCM(28624,28635) = 819648240 / 1
LCM(28624,28635) = 819648240

Least Common Multiple (LCM) of 28624 and 28635 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28624 and 28635. First we will calculate the prime factors of 28624 and 28635.

Prime Factorization of 28624

Prime factors of 28624 are 2, 1789. Prime factorization of 28624 in exponential form is:

28624 = 24 × 17891

Prime Factorization of 28635

Prime factors of 28635 are 3, 5, 23, 83. Prime factorization of 28635 in exponential form is:

28635 = 31 × 51 × 231 × 831

Now multiplying the highest exponent prime factors to calculate the LCM of 28624 and 28635.

LCM(28624,28635) = 24 × 17891 × 31 × 51 × 231 × 831
LCM(28624,28635) = 819648240