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What is the Least Common Multiple of 51740 and 51754?

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 51754 is 1338875980.

LCM(51740,51754) = 1338875980

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Least Common Multiple of 51740 and 51754 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 51754, than apply into the LCM equation.

GCF(51740,51754) = 2
LCM(51740,51754) = ( 51740 × 51754) / 2
LCM(51740,51754) = 2677751960 / 2
LCM(51740,51754) = 1338875980

Least Common Multiple (LCM) of 51740 and 51754 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51740 and 51754. First we will calculate the prime factors of 51740 and 51754.

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 51754

Prime factors of 51754 are 2, 113, 229. Prime factorization of 51754 in exponential form is:

51754 = 21 × 1131 × 2291

Now multiplying the highest exponent prime factors to calculate the LCM of 51740 and 51754.

LCM(51740,51754) = 22 × 51 × 131 × 1991 × 1131 × 2291
LCM(51740,51754) = 1338875980