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What is the Least Common Multiple of 38781 and 38798?

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 38781 and 38798 is 1504625238.

LCM(38781,38798) = 1504625238

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Least Common Multiple of 38781 and 38798 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38781 and 38798, than apply into the LCM equation.

GCF(38781,38798) = 1
LCM(38781,38798) = ( 38781 × 38798) / 1
LCM(38781,38798) = 1504625238 / 1
LCM(38781,38798) = 1504625238

Least Common Multiple (LCM) of 38781 and 38798 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38781 and 38798. First we will calculate the prime factors of 38781 and 38798.

Prime Factorization of 38781

Prime factors of 38781 are 3, 31, 139. Prime factorization of 38781 in exponential form is:

38781 = 32 × 311 × 1391

Prime Factorization of 38798

Prime factors of 38798 are 2, 19, 1021. Prime factorization of 38798 in exponential form is:

38798 = 21 × 191 × 10211

Now multiplying the highest exponent prime factors to calculate the LCM of 38781 and 38798.

LCM(38781,38798) = 32 × 311 × 1391 × 21 × 191 × 10211
LCM(38781,38798) = 1504625238