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What is the Least Common Multiple of 13124 and 13138?

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 13124 and 13138 is 86211556.

LCM(13124,13138) = 86211556

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Least Common Multiple of 13124 and 13138 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13124 and 13138, than apply into the LCM equation.

GCF(13124,13138) = 2
LCM(13124,13138) = ( 13124 × 13138) / 2
LCM(13124,13138) = 172423112 / 2
LCM(13124,13138) = 86211556

Least Common Multiple (LCM) of 13124 and 13138 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13124 and 13138. First we will calculate the prime factors of 13124 and 13138.

Prime Factorization of 13124

Prime factors of 13124 are 2, 17, 193. Prime factorization of 13124 in exponential form is:

13124 = 22 × 171 × 1931

Prime Factorization of 13138

Prime factors of 13138 are 2, 6569. Prime factorization of 13138 in exponential form is:

13138 = 21 × 65691

Now multiplying the highest exponent prime factors to calculate the LCM of 13124 and 13138.

LCM(13124,13138) = 22 × 171 × 1931 × 65691
LCM(13124,13138) = 86211556