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What is the Least Common Multiple of 51740 and 51746?

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 51740 and 51746 is 1338669020.

LCM(51740,51746) = 1338669020

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Least Common Multiple of 51740 and 51746 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51740 and 51746, than apply into the LCM equation.

GCF(51740,51746) = 2
LCM(51740,51746) = ( 51740 × 51746) / 2
LCM(51740,51746) = 2677338040 / 2
LCM(51740,51746) = 1338669020

Least Common Multiple (LCM) of 51740 and 51746 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51740 and 51746. First we will calculate the prime factors of 51740 and 51746.

Prime Factorization of 51740

Prime factors of 51740 are 2, 5, 13, 199. Prime factorization of 51740 in exponential form is:

51740 = 22 × 51 × 131 × 1991

Prime Factorization of 51746

Prime factors of 51746 are 2, 25873. Prime factorization of 51746 in exponential form is:

51746 = 21 × 258731

Now multiplying the highest exponent prime factors to calculate the LCM of 51740 and 51746.

LCM(51740,51746) = 22 × 51 × 131 × 1991 × 258731
LCM(51740,51746) = 1338669020