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What is the Least Common Multiple of 12898 and 12902?

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 12898 and 12902 is 83204998.

LCM(12898,12902) = 83204998

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Least Common Multiple of 12898 and 12902 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12898 and 12902, than apply into the LCM equation.

GCF(12898,12902) = 2
LCM(12898,12902) = ( 12898 × 12902) / 2
LCM(12898,12902) = 166409996 / 2
LCM(12898,12902) = 83204998

Least Common Multiple (LCM) of 12898 and 12902 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12898 and 12902. First we will calculate the prime factors of 12898 and 12902.

Prime Factorization of 12898

Prime factors of 12898 are 2, 6449. Prime factorization of 12898 in exponential form is:

12898 = 21 × 64491

Prime Factorization of 12902

Prime factors of 12902 are 2, 6451. Prime factorization of 12902 in exponential form is:

12902 = 21 × 64511

Now multiplying the highest exponent prime factors to calculate the LCM of 12898 and 12902.

LCM(12898,12902) = 21 × 64491 × 64511
LCM(12898,12902) = 83204998