What is the Least Common Multiple of 81529 and 81541?

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 81529 and 81541 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81529 and 81541, than apply into the LCM equation.

GCF(81529,81541) = 1
LCM(81529,81541) = ( 81529 × 81541) / 1
LCM(81529,81541) = 6647956189 / 1
LCM(81529,81541) = 6647956189

Least Common Multiple (LCM) of 81529 and 81541 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81529 and 81541. First we will calculate the prime factors of 81529 and 81541.

Prime Factorization of 81529

Prime Factorization of 81541

Now multiplying the highest exponent prime factors to calculate the LCM of 81529 and 81541.

LCM(81529,81541) = 7¹ × 19¹ × 613¹ × 73¹ × 1117¹
LCM(81529,81541) = 6647956189