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What is the Least Common Multiple of 28637 and 28651?

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 28651 is 117211241.

LCM(28637,28651) = 117211241

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Least Common Multiple of 28637 and 28651 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 28651, than apply into the LCM equation.

GCF(28637,28651) = 7
LCM(28637,28651) = ( 28637 × 28651) / 7
LCM(28637,28651) = 820478687 / 7
LCM(28637,28651) = 117211241

Least Common Multiple (LCM) of 28637 and 28651 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28637 and 28651. First we will calculate the prime factors of 28637 and 28651.

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 28651

Prime factors of 28651 are 7, 4093. Prime factorization of 28651 in exponential form is:

28651 = 71 × 40931

Now multiplying the highest exponent prime factors to calculate the LCM of 28637 and 28651.

LCM(28637,28651) = 71 × 40911 × 40931
LCM(28637,28651) = 117211241