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What is the Least Common Multiple of 12998 and 13012?

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 12998 and 13012 is 84564988.

LCM(12998,13012) = 84564988

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Least Common Multiple of 12998 and 13012 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12998 and 13012, than apply into the LCM equation.

GCF(12998,13012) = 2
LCM(12998,13012) = ( 12998 × 13012) / 2
LCM(12998,13012) = 169129976 / 2
LCM(12998,13012) = 84564988

Least Common Multiple (LCM) of 12998 and 13012 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12998 and 13012. First we will calculate the prime factors of 12998 and 13012.

Prime Factorization of 12998

Prime factors of 12998 are 2, 67, 97. Prime factorization of 12998 in exponential form is:

12998 = 21 × 671 × 971

Prime Factorization of 13012

Prime factors of 13012 are 2, 3253. Prime factorization of 13012 in exponential form is:

13012 = 22 × 32531

Now multiplying the highest exponent prime factors to calculate the LCM of 12998 and 13012.

LCM(12998,13012) = 22 × 671 × 971 × 32531
LCM(12998,13012) = 84564988