# What is the Least Common Multiple of 114 and 126?

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 114 and 126 is 2394.

LCM(114,126) = 2394

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## Least Common Multiple of 114 and 126 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 114 and 126, than apply into the LCM equation.

GCF(114,126) = 6
LCM(114,126) = ( 114 × 126) / 6
LCM(114,126) = 14364 / 6
LCM(114,126) = 2394

## Least Common Multiple (LCM) of 114 and 126 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 114 and 126. First we will calculate the prime factors of 114 and 126.

### Prime Factorization of 114

Prime factors of 114 are 2, 3, 19. Prime factorization of 114 in exponential form is:

114 = 21 × 31 × 191

### Prime Factorization of 126

Prime factors of 126 are 2, 3, 7. Prime factorization of 126 in exponential form is:

126 = 21 × 32 × 71

Now multiplying the highest exponent prime factors to calculate the LCM of 114 and 126.

LCM(114,126) = 21 × 32 × 191 × 71
LCM(114,126) = 2394