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What is the Least Common Multiple of 2749 and 2757?

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 2749 and 2757 is 7578993.

LCM(2749,2757) = 7578993

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Least Common Multiple of 2749 and 2757 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2749 and 2757, than apply into the LCM equation.

GCF(2749,2757) = 1
LCM(2749,2757) = ( 2749 × 2757) / 1
LCM(2749,2757) = 7578993 / 1
LCM(2749,2757) = 7578993

Least Common Multiple (LCM) of 2749 and 2757 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2749 and 2757. First we will calculate the prime factors of 2749 and 2757.

Prime Factorization of 2749

Prime factors of 2749 are 2749. Prime factorization of 2749 in exponential form is:

2749 = 27491

Prime Factorization of 2757

Prime factors of 2757 are 3, 919. Prime factorization of 2757 in exponential form is:

2757 = 31 × 9191

Now multiplying the highest exponent prime factors to calculate the LCM of 2749 and 2757.

LCM(2749,2757) = 27491 × 31 × 9191
LCM(2749,2757) = 7578993