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What is the Least Common Multiple of 38648 and 38665?

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 38648 and 38665 is 1494324920.

LCM(38648,38665) = 1494324920

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Least Common Multiple of 38648 and 38665 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38648 and 38665, than apply into the LCM equation.

GCF(38648,38665) = 1
LCM(38648,38665) = ( 38648 × 38665) / 1
LCM(38648,38665) = 1494324920 / 1
LCM(38648,38665) = 1494324920

Least Common Multiple (LCM) of 38648 and 38665 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38648 and 38665. First we will calculate the prime factors of 38648 and 38665.

Prime Factorization of 38648

Prime factors of 38648 are 2, 4831. Prime factorization of 38648 in exponential form is:

38648 = 23 × 48311

Prime Factorization of 38665

Prime factors of 38665 are 5, 11, 19, 37. Prime factorization of 38665 in exponential form is:

38665 = 51 × 111 × 191 × 371

Now multiplying the highest exponent prime factors to calculate the LCM of 38648 and 38665.

LCM(38648,38665) = 23 × 48311 × 51 × 111 × 191 × 371
LCM(38648,38665) = 1494324920