What is the Least Common Multiple of 81153 and 81169?

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 81153 and 81169 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81153 and 81169, than apply into the LCM equation.

GCF(81153,81169) = 1
LCM(81153,81169) = ( 81153 × 81169) / 1
LCM(81153,81169) = 6587107857 / 1
LCM(81153,81169) = 6587107857

Least Common Multiple (LCM) of 81153 and 81169 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81153 and 81169. First we will calculate the prime factors of 81153 and 81169.

Prime Factorization of 81153

Prime Factorization of 81169

Now multiplying the highest exponent prime factors to calculate the LCM of 81153 and 81169.

LCM(81153,81169) = 3² × 71¹ × 127¹ × 11¹ × 47¹ × 157¹
LCM(81153,81169) = 6587107857