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What is the Least Common Multiple of 2720 and 2737?

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 2720 and 2737 is 437920.

LCM(2720,2737) = 437920

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Least Common Multiple of 2720 and 2737 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2720 and 2737, than apply into the LCM equation.

GCF(2720,2737) = 17
LCM(2720,2737) = ( 2720 × 2737) / 17
LCM(2720,2737) = 7444640 / 17
LCM(2720,2737) = 437920

Least Common Multiple (LCM) of 2720 and 2737 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2720 and 2737. First we will calculate the prime factors of 2720 and 2737.

Prime Factorization of 2720

Prime factors of 2720 are 2, 5, 17. Prime factorization of 2720 in exponential form is:

2720 = 25 × 51 × 171

Prime Factorization of 2737

Prime factors of 2737 are 7, 17, 23. Prime factorization of 2737 in exponential form is:

2737 = 71 × 171 × 231

Now multiplying the highest exponent prime factors to calculate the LCM of 2720 and 2737.

LCM(2720,2737) = 25 × 51 × 171 × 71 × 231
LCM(2720,2737) = 437920