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What is the Least Common Multiple of 51730 and 51738?

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 51730 and 51738 is 1338203370.

LCM(51730,51738) = 1338203370

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Least Common Multiple of 51730 and 51738 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51730 and 51738, than apply into the LCM equation.

GCF(51730,51738) = 2
LCM(51730,51738) = ( 51730 × 51738) / 2
LCM(51730,51738) = 2676406740 / 2
LCM(51730,51738) = 1338203370

Least Common Multiple (LCM) of 51730 and 51738 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51730 and 51738. First we will calculate the prime factors of 51730 and 51738.

Prime Factorization of 51730

Prime factors of 51730 are 2, 5, 7, 739. Prime factorization of 51730 in exponential form is:

51730 = 21 × 51 × 71 × 7391

Prime Factorization of 51738

Prime factors of 51738 are 2, 3, 8623. Prime factorization of 51738 in exponential form is:

51738 = 21 × 31 × 86231

Now multiplying the highest exponent prime factors to calculate the LCM of 51730 and 51738.

LCM(51730,51738) = 21 × 51 × 71 × 7391 × 31 × 86231
LCM(51730,51738) = 1338203370