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What is the Least Common Multiple of 57131 and 57140?

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 57131 and 57140 is 3264465340.

LCM(57131,57140) = 3264465340

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Least Common Multiple of 57131 and 57140 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 57131 and 57140, than apply into the LCM equation.

GCF(57131,57140) = 1
LCM(57131,57140) = ( 57131 × 57140) / 1
LCM(57131,57140) = 3264465340 / 1
LCM(57131,57140) = 3264465340

Least Common Multiple (LCM) of 57131 and 57140 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 57131 and 57140. First we will calculate the prime factors of 57131 and 57140.

Prime Factorization of 57131

Prime factors of 57131 are 57131. Prime factorization of 57131 in exponential form is:

57131 = 571311

Prime Factorization of 57140

Prime factors of 57140 are 2, 5, 2857. Prime factorization of 57140 in exponential form is:

57140 = 22 × 51 × 28571

Now multiplying the highest exponent prime factors to calculate the LCM of 57131 and 57140.

LCM(57131,57140) = 571311 × 22 × 51 × 28571
LCM(57131,57140) = 3264465340