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What is the Least Common Multiple of 7637 and 7647?

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 7637 and 7647 is 58400139.

LCM(7637,7647) = 58400139

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Least Common Multiple of 7637 and 7647 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7637 and 7647, than apply into the LCM equation.

GCF(7637,7647) = 1
LCM(7637,7647) = ( 7637 × 7647) / 1
LCM(7637,7647) = 58400139 / 1
LCM(7637,7647) = 58400139

Least Common Multiple (LCM) of 7637 and 7647 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7637 and 7647. First we will calculate the prime factors of 7637 and 7647.

Prime Factorization of 7637

Prime factors of 7637 are 7, 1091. Prime factorization of 7637 in exponential form is:

7637 = 71 × 10911

Prime Factorization of 7647

Prime factors of 7647 are 3, 2549. Prime factorization of 7647 in exponential form is:

7647 = 31 × 25491

Now multiplying the highest exponent prime factors to calculate the LCM of 7637 and 7647.

LCM(7637,7647) = 71 × 10911 × 31 × 25491
LCM(7637,7647) = 58400139