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What is the Least Common Multiple of 27636 and 27640?

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 27636 and 27640 is 190964760.

LCM(27636,27640) = 190964760

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Least Common Multiple of 27636 and 27640 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27636 and 27640, than apply into the LCM equation.

GCF(27636,27640) = 4
LCM(27636,27640) = ( 27636 × 27640) / 4
LCM(27636,27640) = 763859040 / 4
LCM(27636,27640) = 190964760

Least Common Multiple (LCM) of 27636 and 27640 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27636 and 27640. First we will calculate the prime factors of 27636 and 27640.

Prime Factorization of 27636

Prime factors of 27636 are 2, 3, 7, 47. Prime factorization of 27636 in exponential form is:

27636 = 22 × 31 × 72 × 471

Prime Factorization of 27640

Prime factors of 27640 are 2, 5, 691. Prime factorization of 27640 in exponential form is:

27640 = 23 × 51 × 6911

Now multiplying the highest exponent prime factors to calculate the LCM of 27636 and 27640.

LCM(27636,27640) = 23 × 31 × 72 × 471 × 51 × 6911
LCM(27636,27640) = 190964760