What is the Least Common Multiple of 81131 and 81143?

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 of 81131 and 81143 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81131 and 81143, than apply into the LCM equation.

GCF(81131,81143) = 1
LCM(81131,81143) = ( 81131 × 81143) / 1
LCM(81131,81143) = 6583212733 / 1
LCM(81131,81143) = 6583212733

Least Common Multiple (LCM) of 81131 and 81143 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81131 and 81143. First we will calculate the prime factors of 81131 and 81143.

Prime Factorization of 81131

Prime Factorization of 81143

Now multiplying the highest exponent prime factors to calculate the LCM of 81131 and 81143.

LCM(81131,81143) = 81131¹ × 53¹ × 1531¹
LCM(81131,81143) = 6583212733