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What is the Least Common Multiple of 12898 and 12905?

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 12905 is 166448690.

LCM(12898,12905) = 166448690

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Least Common Multiple of 12898 and 12905 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 12905, than apply into the LCM equation.

GCF(12898,12905) = 1
LCM(12898,12905) = ( 12898 × 12905) / 1
LCM(12898,12905) = 166448690 / 1
LCM(12898,12905) = 166448690

Least Common Multiple (LCM) of 12898 and 12905 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12898 and 12905. First we will calculate the prime factors of 12898 and 12905.

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 12905

Prime factors of 12905 are 5, 29, 89. Prime factorization of 12905 in exponential form is:

12905 = 51 × 291 × 891

Now multiplying the highest exponent prime factors to calculate the LCM of 12898 and 12905.

LCM(12898,12905) = 21 × 64491 × 51 × 291 × 891
LCM(12898,12905) = 166448690