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What is the Least Common Multiple of 38526 and 38540?

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 38526 and 38540 is 742396020.

LCM(38526,38540) = 742396020

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Least Common Multiple of 38526 and 38540 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38526 and 38540, than apply into the LCM equation.

GCF(38526,38540) = 2
LCM(38526,38540) = ( 38526 × 38540) / 2
LCM(38526,38540) = 1484792040 / 2
LCM(38526,38540) = 742396020

Least Common Multiple (LCM) of 38526 and 38540 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38526 and 38540. First we will calculate the prime factors of 38526 and 38540.

Prime Factorization of 38526

Prime factors of 38526 are 2, 3, 6421. Prime factorization of 38526 in exponential form is:

38526 = 21 × 31 × 64211

Prime Factorization of 38540

Prime factors of 38540 are 2, 5, 41, 47. Prime factorization of 38540 in exponential form is:

38540 = 22 × 51 × 411 × 471

Now multiplying the highest exponent prime factors to calculate the LCM of 38526 and 38540.

LCM(38526,38540) = 22 × 31 × 64211 × 51 × 411 × 471
LCM(38526,38540) = 742396020