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What is the Least Common Multiple of 13714 and 13720?

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 13714 and 13720 is 94078040.

LCM(13714,13720) = 94078040

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Least Common Multiple of 13714 and 13720 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13714 and 13720, than apply into the LCM equation.

GCF(13714,13720) = 2
LCM(13714,13720) = ( 13714 × 13720) / 2
LCM(13714,13720) = 188156080 / 2
LCM(13714,13720) = 94078040

Least Common Multiple (LCM) of 13714 and 13720 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13714 and 13720. First we will calculate the prime factors of 13714 and 13720.

Prime Factorization of 13714

Prime factors of 13714 are 2, 6857. Prime factorization of 13714 in exponential form is:

13714 = 21 × 68571

Prime Factorization of 13720

Prime factors of 13720 are 2, 5, 7. Prime factorization of 13720 in exponential form is:

13720 = 23 × 51 × 73

Now multiplying the highest exponent prime factors to calculate the LCM of 13714 and 13720.

LCM(13714,13720) = 23 × 68571 × 51 × 73
LCM(13714,13720) = 94078040