# What is the Least Common Multiple of 134 and 142?

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 134 and 142 is 9514.

LCM(134,142) = 9514

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## Least Common Multiple of 134 and 142 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 134 and 142, than apply into the LCM equation.

GCF(134,142) = 2
LCM(134,142) = ( 134 × 142) / 2
LCM(134,142) = 19028 / 2
LCM(134,142) = 9514

## Least Common Multiple (LCM) of 134 and 142 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 134 and 142. First we will calculate the prime factors of 134 and 142.

### Prime Factorization of 134

Prime factors of 134 are 2, 67. Prime factorization of 134 in exponential form is:

134 = 21 × 671

### Prime Factorization of 142

Prime factors of 142 are 2, 71. Prime factorization of 142 in exponential form is:

142 = 21 × 711

Now multiplying the highest exponent prime factors to calculate the LCM of 134 and 142.

LCM(134,142) = 21 × 671 × 711
LCM(134,142) = 9514