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What is the Least Common Multiple of 17637 and 17647?

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 17637 and 17647 is 311240139.

LCM(17637,17647) = 311240139

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Least Common Multiple of 17637 and 17647 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17637 and 17647, than apply into the LCM equation.

GCF(17637,17647) = 1
LCM(17637,17647) = ( 17637 × 17647) / 1
LCM(17637,17647) = 311240139 / 1
LCM(17637,17647) = 311240139

Least Common Multiple (LCM) of 17637 and 17647 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17637 and 17647. First we will calculate the prime factors of 17637 and 17647.

Prime Factorization of 17637

Prime factors of 17637 are 3, 5879. Prime factorization of 17637 in exponential form is:

17637 = 31 × 58791

Prime Factorization of 17647

Prime factors of 17647 are 7, 2521. Prime factorization of 17647 in exponential form is:

17647 = 71 × 25211

Now multiplying the highest exponent prime factors to calculate the LCM of 17637 and 17647.

LCM(17637,17647) = 31 × 58791 × 71 × 25211
LCM(17637,17647) = 311240139