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What is the Least Common Multiple of 10123 and 10131?

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 10123 and 10131 is 102556113.

LCM(10123,10131) = 102556113

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Least Common Multiple of 10123 and 10131 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10123 and 10131, than apply into the LCM equation.

GCF(10123,10131) = 1
LCM(10123,10131) = ( 10123 × 10131) / 1
LCM(10123,10131) = 102556113 / 1
LCM(10123,10131) = 102556113

Least Common Multiple (LCM) of 10123 and 10131 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10123 and 10131. First we will calculate the prime factors of 10123 and 10131.

Prime Factorization of 10123

Prime factors of 10123 are 53, 191. Prime factorization of 10123 in exponential form is:

10123 = 531 × 1911

Prime Factorization of 10131

Prime factors of 10131 are 3, 11, 307. Prime factorization of 10131 in exponential form is:

10131 = 31 × 111 × 3071

Now multiplying the highest exponent prime factors to calculate the LCM of 10123 and 10131.

LCM(10123,10131) = 531 × 1911 × 31 × 111 × 3071
LCM(10123,10131) = 102556113