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What is the Least Common Multiple of 39524 and 39538?

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 39524 and 39538 is 781349956.

LCM(39524,39538) = 781349956

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Least Common Multiple of 39524 and 39538 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39524 and 39538, than apply into the LCM equation.

GCF(39524,39538) = 2
LCM(39524,39538) = ( 39524 × 39538) / 2
LCM(39524,39538) = 1562699912 / 2
LCM(39524,39538) = 781349956

Least Common Multiple (LCM) of 39524 and 39538 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39524 and 39538. First we will calculate the prime factors of 39524 and 39538.

Prime Factorization of 39524

Prime factors of 39524 are 2, 41, 241. Prime factorization of 39524 in exponential form is:

39524 = 22 × 411 × 2411

Prime Factorization of 39538

Prime factors of 39538 are 2, 53, 373. Prime factorization of 39538 in exponential form is:

39538 = 21 × 531 × 3731

Now multiplying the highest exponent prime factors to calculate the LCM of 39524 and 39538.

LCM(39524,39538) = 22 × 411 × 2411 × 531 × 3731
LCM(39524,39538) = 781349956