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What is the Least Common Multiple of 81895 and 81912?

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 81895 and 81912 is 6708183240.

LCM(81895,81912) = 6708183240

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Least Common Multiple of 81895 and 81912 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81895 and 81912, than apply into the LCM equation.

GCF(81895,81912) = 1
LCM(81895,81912) = ( 81895 × 81912) / 1
LCM(81895,81912) = 6708183240 / 1
LCM(81895,81912) = 6708183240

Least Common Multiple (LCM) of 81895 and 81912 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81895 and 81912. First we will calculate the prime factors of 81895 and 81912.

Prime Factorization of 81895

Prime factors of 81895 are 5, 11, 1489. Prime factorization of 81895 in exponential form is:

81895 = 51 × 111 × 14891

Prime Factorization of 81912

Prime factors of 81912 are 2, 3, 3413. Prime factorization of 81912 in exponential form is:

81912 = 23 × 31 × 34131

Now multiplying the highest exponent prime factors to calculate the LCM of 81895 and 81912.

LCM(81895,81912) = 51 × 111 × 14891 × 23 × 31 × 34131
LCM(81895,81912) = 6708183240