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What is the Least Common Multiple of 2551 and 2564?

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 2551 and 2564 is 6540764.

LCM(2551,2564) = 6540764

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Least Common Multiple of 2551 and 2564 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2551 and 2564, than apply into the LCM equation.

GCF(2551,2564) = 1
LCM(2551,2564) = ( 2551 × 2564) / 1
LCM(2551,2564) = 6540764 / 1
LCM(2551,2564) = 6540764

Least Common Multiple (LCM) of 2551 and 2564 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2551 and 2564. First we will calculate the prime factors of 2551 and 2564.

Prime Factorization of 2551

Prime factors of 2551 are 2551. Prime factorization of 2551 in exponential form is:

2551 = 25511

Prime Factorization of 2564

Prime factors of 2564 are 2, 641. Prime factorization of 2564 in exponential form is:

2564 = 22 × 6411

Now multiplying the highest exponent prime factors to calculate the LCM of 2551 and 2564.

LCM(2551,2564) = 25511 × 22 × 6411
LCM(2551,2564) = 6540764