What is the Least Common Multiple of 81481 and 81498?

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 81481 and 81498 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81481 and 81498, than apply into the LCM equation.

GCF(81481,81498) = 17
LCM(81481,81498) = ( 81481 × 81498) / 17
LCM(81481,81498) = 6640538538 / 17
LCM(81481,81498) = 390619914

Least Common Multiple (LCM) of 81481 and 81498 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81481 and 81498. First we will calculate the prime factors of 81481 and 81498.

Prime Factorization of 81481

Prime Factorization of 81498

Now multiplying the highest exponent prime factors to calculate the LCM of 81481 and 81498.

LCM(81481,81498) = 17² × 4793¹ × 2¹ × 3¹ × 47¹
LCM(81481,81498) = 390619914