What is the Least Common Multiple of 81154 and 81173?

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 81154 and 81173 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81154 and 81173, than apply into the LCM equation.

GCF(81154,81173) = 1
LCM(81154,81173) = ( 81154 × 81173) / 1
LCM(81154,81173) = 6587513642 / 1
LCM(81154,81173) = 6587513642

Least Common Multiple (LCM) of 81154 and 81173 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81154 and 81173. First we will calculate the prime factors of 81154 and 81173.

Prime Factorization of 81154

Prime Factorization of 81173

Now multiplying the highest exponent prime factors to calculate the LCM of 81154 and 81173.

LCM(81154,81173) = 2¹ × 40577¹ × 81173¹
LCM(81154,81173) = 6587513642