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What is the Least Common Multiple of 10142 and 10149?

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 10142 and 10149 is 102931158.

LCM(10142,10149) = 102931158

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Least Common Multiple of 10142 and 10149 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10142 and 10149, than apply into the LCM equation.

GCF(10142,10149) = 1
LCM(10142,10149) = ( 10142 × 10149) / 1
LCM(10142,10149) = 102931158 / 1
LCM(10142,10149) = 102931158

Least Common Multiple (LCM) of 10142 and 10149 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10142 and 10149. First we will calculate the prime factors of 10142 and 10149.

Prime Factorization of 10142

Prime factors of 10142 are 2, 11, 461. Prime factorization of 10142 in exponential form is:

10142 = 21 × 111 × 4611

Prime Factorization of 10149

Prime factors of 10149 are 3, 17, 199. Prime factorization of 10149 in exponential form is:

10149 = 31 × 171 × 1991

Now multiplying the highest exponent prime factors to calculate the LCM of 10142 and 10149.

LCM(10142,10149) = 21 × 111 × 4611 × 31 × 171 × 1991
LCM(10142,10149) = 102931158