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What is the Least Common Multiple of 38743 and 38757?

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 38743 and 38757 is 1501562451.

LCM(38743,38757) = 1501562451

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Least Common Multiple of 38743 and 38757 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38743 and 38757, than apply into the LCM equation.

GCF(38743,38757) = 1
LCM(38743,38757) = ( 38743 × 38757) / 1
LCM(38743,38757) = 1501562451 / 1
LCM(38743,38757) = 1501562451

Least Common Multiple (LCM) of 38743 and 38757 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38743 and 38757. First we will calculate the prime factors of 38743 and 38757.

Prime Factorization of 38743

Prime factors of 38743 are 17, 43, 53. Prime factorization of 38743 in exponential form is:

38743 = 171 × 431 × 531

Prime Factorization of 38757

Prime factors of 38757 are 3, 12919. Prime factorization of 38757 in exponential form is:

38757 = 31 × 129191

Now multiplying the highest exponent prime factors to calculate the LCM of 38743 and 38757.

LCM(38743,38757) = 171 × 431 × 531 × 31 × 129191
LCM(38743,38757) = 1501562451