What is the Least Common Multiple of 81003 and 81011?

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 81003 and 81011 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81003 and 81011, than apply into the LCM equation.

GCF(81003,81011) = 1
LCM(81003,81011) = ( 81003 × 81011) / 1
LCM(81003,81011) = 6562134033 / 1
LCM(81003,81011) = 6562134033

Least Common Multiple (LCM) of 81003 and 81011 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81003 and 81011. First we will calculate the prime factors of 81003 and 81011.

Prime Factorization of 81003

Prime Factorization of 81011

Now multiplying the highest exponent prime factors to calculate the LCM of 81003 and 81011.

LCM(81003,81011) = 3¹ × 13¹ × 31¹ × 67¹ × 7¹ × 71¹ × 163¹
LCM(81003,81011) = 6562134033