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What is the Least Common Multiple of 13988 and 14006?

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 13988 and 14006 is 97957964.

LCM(13988,14006) = 97957964

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Least Common Multiple of 13988 and 14006 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13988 and 14006, than apply into the LCM equation.

GCF(13988,14006) = 2
LCM(13988,14006) = ( 13988 × 14006) / 2
LCM(13988,14006) = 195915928 / 2
LCM(13988,14006) = 97957964

Least Common Multiple (LCM) of 13988 and 14006 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13988 and 14006. First we will calculate the prime factors of 13988 and 14006.

Prime Factorization of 13988

Prime factors of 13988 are 2, 13, 269. Prime factorization of 13988 in exponential form is:

13988 = 22 × 131 × 2691

Prime Factorization of 14006

Prime factors of 14006 are 2, 47, 149. Prime factorization of 14006 in exponential form is:

14006 = 21 × 471 × 1491

Now multiplying the highest exponent prime factors to calculate the LCM of 13988 and 14006.

LCM(13988,14006) = 22 × 131 × 2691 × 471 × 1491
LCM(13988,14006) = 97957964