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What is the Least Common Multiple of 3123 and 3142?

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 3123 and 3142 is 9812466.

LCM(3123,3142) = 9812466

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Least Common Multiple of 3123 and 3142 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3123 and 3142, than apply into the LCM equation.

GCF(3123,3142) = 1
LCM(3123,3142) = ( 3123 × 3142) / 1
LCM(3123,3142) = 9812466 / 1
LCM(3123,3142) = 9812466

Least Common Multiple (LCM) of 3123 and 3142 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3123 and 3142. First we will calculate the prime factors of 3123 and 3142.

Prime Factorization of 3123

Prime factors of 3123 are 3, 347. Prime factorization of 3123 in exponential form is:

3123 = 32 × 3471

Prime Factorization of 3142

Prime factors of 3142 are 2, 1571. Prime factorization of 3142 in exponential form is:

3142 = 21 × 15711

Now multiplying the highest exponent prime factors to calculate the LCM of 3123 and 3142.

LCM(3123,3142) = 32 × 3471 × 21 × 15711
LCM(3123,3142) = 9812466