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What is the Least Common Multiple of 51231 and 51238?

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 51231 and 51238 is 2624973978.

LCM(51231,51238) = 2624973978

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Least Common Multiple of 51231 and 51238 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51231 and 51238, than apply into the LCM equation.

GCF(51231,51238) = 1
LCM(51231,51238) = ( 51231 × 51238) / 1
LCM(51231,51238) = 2624973978 / 1
LCM(51231,51238) = 2624973978

Least Common Multiple (LCM) of 51231 and 51238 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51231 and 51238. First we will calculate the prime factors of 51231 and 51238.

Prime Factorization of 51231

Prime factors of 51231 are 3, 17077. Prime factorization of 51231 in exponential form is:

51231 = 31 × 170771

Prime Factorization of 51238

Prime factors of 51238 are 2, 11, 17, 137. Prime factorization of 51238 in exponential form is:

51238 = 21 × 111 × 171 × 1371

Now multiplying the highest exponent prime factors to calculate the LCM of 51231 and 51238.

LCM(51231,51238) = 31 × 170771 × 21 × 111 × 171 × 1371
LCM(51231,51238) = 2624973978