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What is the Least Common Multiple of 13880 and 13885?

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 13880 and 13885 is 38544760.

LCM(13880,13885) = 38544760

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Least Common Multiple of 13880 and 13885 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13880 and 13885, than apply into the LCM equation.

GCF(13880,13885) = 5
LCM(13880,13885) = ( 13880 × 13885) / 5
LCM(13880,13885) = 192723800 / 5
LCM(13880,13885) = 38544760

Least Common Multiple (LCM) of 13880 and 13885 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13880 and 13885. First we will calculate the prime factors of 13880 and 13885.

Prime Factorization of 13880

Prime factors of 13880 are 2, 5, 347. Prime factorization of 13880 in exponential form is:

13880 = 23 × 51 × 3471

Prime Factorization of 13885

Prime factors of 13885 are 5, 2777. Prime factorization of 13885 in exponential form is:

13885 = 51 × 27771

Now multiplying the highest exponent prime factors to calculate the LCM of 13880 and 13885.

LCM(13880,13885) = 23 × 51 × 3471 × 27771
LCM(13880,13885) = 38544760