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What is the Least Common Multiple of 51657 and 51670?

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 51657 and 51670 is 2669117190.

LCM(51657,51670) = 2669117190

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Least Common Multiple of 51657 and 51670 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51657 and 51670, than apply into the LCM equation.

GCF(51657,51670) = 1
LCM(51657,51670) = ( 51657 × 51670) / 1
LCM(51657,51670) = 2669117190 / 1
LCM(51657,51670) = 2669117190

Least Common Multiple (LCM) of 51657 and 51670 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51657 and 51670. First we will calculate the prime factors of 51657 and 51670.

Prime Factorization of 51657

Prime factors of 51657 are 3, 67, 257. Prime factorization of 51657 in exponential form is:

51657 = 31 × 671 × 2571

Prime Factorization of 51670

Prime factors of 51670 are 2, 5, 5167. Prime factorization of 51670 in exponential form is:

51670 = 21 × 51 × 51671

Now multiplying the highest exponent prime factors to calculate the LCM of 51657 and 51670.

LCM(51657,51670) = 31 × 671 × 2571 × 21 × 51 × 51671
LCM(51657,51670) = 2669117190