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What is the Least Common Multiple of 57120 and 57137?

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 57120 and 57137 is 191980320.

LCM(57120,57137) = 191980320

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Least Common Multiple of 57120 and 57137 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 57120 and 57137, than apply into the LCM equation.

GCF(57120,57137) = 17
LCM(57120,57137) = ( 57120 × 57137) / 17
LCM(57120,57137) = 3263665440 / 17
LCM(57120,57137) = 191980320

Least Common Multiple (LCM) of 57120 and 57137 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 57120 and 57137. First we will calculate the prime factors of 57120 and 57137.

Prime Factorization of 57120

Prime factors of 57120 are 2, 3, 5, 7, 17. Prime factorization of 57120 in exponential form is:

57120 = 25 × 31 × 51 × 71 × 171

Prime Factorization of 57137

Prime factors of 57137 are 17, 3361. Prime factorization of 57137 in exponential form is:

57137 = 171 × 33611

Now multiplying the highest exponent prime factors to calculate the LCM of 57120 and 57137.

LCM(57120,57137) = 25 × 31 × 51 × 71 × 171 × 33611
LCM(57120,57137) = 191980320