# What is the Least Common Multiple of 122 and 127?

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 122 and 127 is 15494.

LCM(122,127) = 15494

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## Least Common Multiple of 122 and 127 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 122 and 127, than apply into the LCM equation.

GCF(122,127) = 1
LCM(122,127) = ( 122 × 127) / 1
LCM(122,127) = 15494 / 1
LCM(122,127) = 15494

## Least Common Multiple (LCM) of 122 and 127 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 122 and 127. First we will calculate the prime factors of 122 and 127.

### Prime Factorization of 122

Prime factors of 122 are 2, 61. Prime factorization of 122 in exponential form is:

122 = 21 × 611

### Prime Factorization of 127

Prime factors of 127 are 127. Prime factorization of 127 in exponential form is:

127 = 1271

Now multiplying the highest exponent prime factors to calculate the LCM of 122 and 127.

LCM(122,127) = 21 × 611 × 1271
LCM(122,127) = 15494