# What is the Least Common Multiple of 109 and 116?

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 109 and 116 is 12644.

LCM(109,116) = 12644

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## Least Common Multiple of 109 and 116 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 109 and 116, than apply into the LCM equation.

GCF(109,116) = 1
LCM(109,116) = ( 109 × 116) / 1
LCM(109,116) = 12644 / 1
LCM(109,116) = 12644

## Least Common Multiple (LCM) of 109 and 116 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 109 and 116. First we will calculate the prime factors of 109 and 116.

### Prime Factorization of 109

Prime factors of 109 are 109. Prime factorization of 109 in exponential form is:

109 = 1091

### Prime Factorization of 116

Prime factors of 116 are 2, 29. Prime factorization of 116 in exponential form is:

116 = 22 × 291

Now multiplying the highest exponent prime factors to calculate the LCM of 109 and 116.

LCM(109,116) = 1091 × 22 × 291
LCM(109,116) = 12644