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What is the Least Common Multiple of 12122 and 12130?

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 12122 and 12130 is 73519930.

LCM(12122,12130) = 73519930

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Least Common Multiple of 12122 and 12130 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12122 and 12130, than apply into the LCM equation.

GCF(12122,12130) = 2
LCM(12122,12130) = ( 12122 × 12130) / 2
LCM(12122,12130) = 147039860 / 2
LCM(12122,12130) = 73519930

Least Common Multiple (LCM) of 12122 and 12130 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12122 and 12130. First we will calculate the prime factors of 12122 and 12130.

Prime Factorization of 12122

Prime factors of 12122 are 2, 11, 19, 29. Prime factorization of 12122 in exponential form is:

12122 = 21 × 111 × 191 × 291

Prime Factorization of 12130

Prime factors of 12130 are 2, 5, 1213. Prime factorization of 12130 in exponential form is:

12130 = 21 × 51 × 12131

Now multiplying the highest exponent prime factors to calculate the LCM of 12122 and 12130.

LCM(12122,12130) = 21 × 111 × 191 × 291 × 51 × 12131
LCM(12122,12130) = 73519930