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What is the Least Common Multiple of 38855 and 38865?

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 38855 and 38865 is 302019915.

LCM(38855,38865) = 302019915

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Least Common Multiple of 38855 and 38865 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38855 and 38865, than apply into the LCM equation.

GCF(38855,38865) = 5
LCM(38855,38865) = ( 38855 × 38865) / 5
LCM(38855,38865) = 1510099575 / 5
LCM(38855,38865) = 302019915

Least Common Multiple (LCM) of 38855 and 38865 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38855 and 38865. First we will calculate the prime factors of 38855 and 38865.

Prime Factorization of 38855

Prime factors of 38855 are 5, 19, 409. Prime factorization of 38855 in exponential form is:

38855 = 51 × 191 × 4091

Prime Factorization of 38865

Prime factors of 38865 are 3, 5, 2591. Prime factorization of 38865 in exponential form is:

38865 = 31 × 51 × 25911

Now multiplying the highest exponent prime factors to calculate the LCM of 38855 and 38865.

LCM(38855,38865) = 51 × 191 × 4091 × 31 × 25911
LCM(38855,38865) = 302019915