What is the Least Common Multiple of 31911 and 31930?

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 31911 and 31930 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31911 and 31930, than apply into the LCM equation.

GCF(31911,31930) = 1
LCM(31911,31930) = ( 31911 × 31930) / 1
LCM(31911,31930) = 1018918230 / 1
LCM(31911,31930) = 1018918230

Least Common Multiple (LCM) of 31911 and 31930 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31911 and 31930. First we will calculate the prime factors of 31911 and 31930.

Prime Factorization of 31911

Prime Factorization of 31930

Now multiplying the highest exponent prime factors to calculate the LCM of 31911 and 31930.

LCM(31911,31930) = 3¹ × 11¹ × 967¹ × 2¹ × 5¹ × 31¹ × 103¹
LCM(31911,31930) = 1018918230