What is the Least Common Multiple of 116 and 122?

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 116 and 122 is 7076.

LCM(116,122) = 7076

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Least Common Multiple of 116 and 122 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 116 and 122, than apply into the LCM equation.

GCF(116,122) = 2
LCM(116,122) = ( 116 × 122) / 2
LCM(116,122) = 14152 / 2
LCM(116,122) = 7076

Least Common Multiple (LCM) of 116 and 122 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 116 and 122. First we will calculate the prime factors of 116 and 122.

Prime Factorization of 116

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

116 = 22 × 291

Prime Factorization of 122

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

122 = 21 × 611

Now multiplying the highest exponent prime factors to calculate the LCM of 116 and 122.

LCM(116,122) = 22 × 291 × 611
LCM(116,122) = 7076