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What is the Least Common Multiple of 13888 and 13900?

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 13888 and 13900 is 48260800.

LCM(13888,13900) = 48260800

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Least Common Multiple of 13888 and 13900 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13888 and 13900, than apply into the LCM equation.

GCF(13888,13900) = 4
LCM(13888,13900) = ( 13888 × 13900) / 4
LCM(13888,13900) = 193043200 / 4
LCM(13888,13900) = 48260800

Least Common Multiple (LCM) of 13888 and 13900 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13888 and 13900. First we will calculate the prime factors of 13888 and 13900.

Prime Factorization of 13888

Prime factors of 13888 are 2, 7, 31. Prime factorization of 13888 in exponential form is:

13888 = 26 × 71 × 311

Prime Factorization of 13900

Prime factors of 13900 are 2, 5, 139. Prime factorization of 13900 in exponential form is:

13900 = 22 × 52 × 1391

Now multiplying the highest exponent prime factors to calculate the LCM of 13888 and 13900.

LCM(13888,13900) = 26 × 71 × 311 × 52 × 1391
LCM(13888,13900) = 48260800