# What is the Least Common Multiple of 112 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 112 and 126 is 1008.

LCM(112,126) = 1008

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## Least Common Multiple of 112 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 112 and 126, than apply into the LCM equation.

GCF(112,126) = 14
LCM(112,126) = ( 112 × 126) / 14
LCM(112,126) = 14112 / 14
LCM(112,126) = 1008

## Least Common Multiple (LCM) of 112 and 126 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 112 and 126. First we will calculate the prime factors of 112 and 126.

### Prime Factorization of 112

Prime factors of 112 are 2, 7. Prime factorization of 112 in exponential form is:

112 = 24 × 71

### 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 112 and 126.

LCM(112,126) = 24 × 71 × 32
LCM(112,126) = 1008