# What is the Least Common Multiple of 110 and 121?

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 110 and 121 is 1210.

LCM(110,121) = 1210

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## Least Common Multiple of 110 and 121 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 110 and 121, than apply into the LCM equation.

GCF(110,121) = 11
LCM(110,121) = ( 110 × 121) / 11
LCM(110,121) = 13310 / 11
LCM(110,121) = 1210

## Least Common Multiple (LCM) of 110 and 121 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 110 and 121. First we will calculate the prime factors of 110 and 121.

### Prime Factorization of 110

Prime factors of 110 are 2, 5, 11. Prime factorization of 110 in exponential form is:

110 = 21 × 51 × 111

### Prime Factorization of 121

Prime factors of 121 are 11. Prime factorization of 121 in exponential form is:

121 = 112

Now multiplying the highest exponent prime factors to calculate the LCM of 110 and 121.

LCM(110,121) = 21 × 51 × 112
LCM(110,121) = 1210