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What is the Least Common Multiple of 38781 and 38788?

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 38788 is 1504237428.

LCM(38781,38788) = 1504237428

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Least Common Multiple of 38781 and 38788 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 38788, than apply into the LCM equation.

GCF(38781,38788) = 1
LCM(38781,38788) = ( 38781 × 38788) / 1
LCM(38781,38788) = 1504237428 / 1
LCM(38781,38788) = 1504237428

Least Common Multiple (LCM) of 38781 and 38788 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38781 and 38788. First we will calculate the prime factors of 38781 and 38788.

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 38788

Prime factors of 38788 are 2, 9697. Prime factorization of 38788 in exponential form is:

38788 = 22 × 96971

Now multiplying the highest exponent prime factors to calculate the LCM of 38781 and 38788.

LCM(38781,38788) = 32 × 311 × 1391 × 22 × 96971
LCM(38781,38788) = 1504237428