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What is the Least Common Multiple of 39387 and 39400?

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 39387 and 39400 is 1551847800.

LCM(39387,39400) = 1551847800

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Least Common Multiple of 39387 and 39400 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39387 and 39400, than apply into the LCM equation.

GCF(39387,39400) = 1
LCM(39387,39400) = ( 39387 × 39400) / 1
LCM(39387,39400) = 1551847800 / 1
LCM(39387,39400) = 1551847800

Least Common Multiple (LCM) of 39387 and 39400 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39387 and 39400. First we will calculate the prime factors of 39387 and 39400.

Prime Factorization of 39387

Prime factors of 39387 are 3, 19, 691. Prime factorization of 39387 in exponential form is:

39387 = 31 × 191 × 6911

Prime Factorization of 39400

Prime factors of 39400 are 2, 5, 197. Prime factorization of 39400 in exponential form is:

39400 = 23 × 52 × 1971

Now multiplying the highest exponent prime factors to calculate the LCM of 39387 and 39400.

LCM(39387,39400) = 31 × 191 × 6911 × 23 × 52 × 1971
LCM(39387,39400) = 1551847800