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What is the Least Common Multiple of 38862 and 38880?

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 38862 and 38880 is 83941920.

LCM(38862,38880) = 83941920

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Least Common Multiple of 38862 and 38880 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38862 and 38880, than apply into the LCM equation.

GCF(38862,38880) = 18
LCM(38862,38880) = ( 38862 × 38880) / 18
LCM(38862,38880) = 1510954560 / 18
LCM(38862,38880) = 83941920

Least Common Multiple (LCM) of 38862 and 38880 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38862 and 38880. First we will calculate the prime factors of 38862 and 38880.

Prime Factorization of 38862

Prime factors of 38862 are 2, 3, 17, 127. Prime factorization of 38862 in exponential form is:

38862 = 21 × 32 × 171 × 1271

Prime Factorization of 38880

Prime factors of 38880 are 2, 3, 5. Prime factorization of 38880 in exponential form is:

38880 = 25 × 35 × 51

Now multiplying the highest exponent prime factors to calculate the LCM of 38862 and 38880.

LCM(38862,38880) = 25 × 35 × 171 × 1271 × 51
LCM(38862,38880) = 83941920