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What is the Least Common Multiple of 38391 and 38408?

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 38391 and 38408 is 1474521528.

LCM(38391,38408) = 1474521528

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Least Common Multiple of 38391 and 38408 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38391 and 38408, than apply into the LCM equation.

GCF(38391,38408) = 1
LCM(38391,38408) = ( 38391 × 38408) / 1
LCM(38391,38408) = 1474521528 / 1
LCM(38391,38408) = 1474521528

Least Common Multiple (LCM) of 38391 and 38408 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38391 and 38408. First we will calculate the prime factors of 38391 and 38408.

Prime Factorization of 38391

Prime factors of 38391 are 3, 67, 191. Prime factorization of 38391 in exponential form is:

38391 = 31 × 671 × 1911

Prime Factorization of 38408

Prime factors of 38408 are 2, 4801. Prime factorization of 38408 in exponential form is:

38408 = 23 × 48011

Now multiplying the highest exponent prime factors to calculate the LCM of 38391 and 38408.

LCM(38391,38408) = 31 × 671 × 1911 × 23 × 48011
LCM(38391,38408) = 1474521528