What is the Least Common Multiple of 9911 and 9931?

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 9911 and 9931 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9911 and 9931, than apply into the LCM equation.

GCF(9911,9931) = 1
LCM(9911,9931) = ( 9911 × 9931) / 1
LCM(9911,9931) = 98426141 / 1
LCM(9911,9931) = 98426141

Least Common Multiple (LCM) of 9911 and 9931 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9911 and 9931. First we will calculate the prime factors of 9911 and 9931.

Prime Factorization of 9911

Prime Factorization of 9931

Now multiplying the highest exponent prime factors to calculate the LCM of 9911 and 9931.

LCM(9911,9931) = 11¹ × 17¹ × 53¹ × 9931¹
LCM(9911,9931) = 98426141