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What is the Least Common Multiple of 28637 and 28641?

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 28637 and 28641 is 820192317.

LCM(28637,28641) = 820192317

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Least Common Multiple of 28637 and 28641 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28637 and 28641, than apply into the LCM equation.

GCF(28637,28641) = 1
LCM(28637,28641) = ( 28637 × 28641) / 1
LCM(28637,28641) = 820192317 / 1
LCM(28637,28641) = 820192317

Least Common Multiple (LCM) of 28637 and 28641 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28637 and 28641. First we will calculate the prime factors of 28637 and 28641.

Prime Factorization of 28637

Prime factors of 28637 are 7, 4091. Prime factorization of 28637 in exponential form is:

28637 = 71 × 40911

Prime Factorization of 28641

Prime factors of 28641 are 3, 9547. Prime factorization of 28641 in exponential form is:

28641 = 31 × 95471

Now multiplying the highest exponent prime factors to calculate the LCM of 28637 and 28641.

LCM(28637,28641) = 71 × 40911 × 31 × 95471
LCM(28637,28641) = 820192317