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What is the Least Common Multiple of 57640 and 57657?

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 57640 and 57657 is 3323349480.

LCM(57640,57657) = 3323349480

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Least Common Multiple of 57640 and 57657 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 57640 and 57657, than apply into the LCM equation.

GCF(57640,57657) = 1
LCM(57640,57657) = ( 57640 × 57657) / 1
LCM(57640,57657) = 3323349480 / 1
LCM(57640,57657) = 3323349480

Least Common Multiple (LCM) of 57640 and 57657 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 57640 and 57657. First we will calculate the prime factors of 57640 and 57657.

Prime Factorization of 57640

Prime factors of 57640 are 2, 5, 11, 131. Prime factorization of 57640 in exponential form is:

57640 = 23 × 51 × 111 × 1311

Prime Factorization of 57657

Prime factors of 57657 are 3, 19219. Prime factorization of 57657 in exponential form is:

57657 = 31 × 192191

Now multiplying the highest exponent prime factors to calculate the LCM of 57640 and 57657.

LCM(57640,57657) = 23 × 51 × 111 × 1311 × 31 × 192191
LCM(57640,57657) = 3323349480