What is the Least Common Multiple of 31390 and 31394?

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 31390 and 31394 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31390 and 31394, than apply into the LCM equation.

GCF(31390,31394) = 2
LCM(31390,31394) = ( 31390 × 31394) / 2
LCM(31390,31394) = 985457660 / 2
LCM(31390,31394) = 492728830

Least Common Multiple (LCM) of 31390 and 31394 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31390 and 31394. First we will calculate the prime factors of 31390 and 31394.

Prime Factorization of 31390

Prime Factorization of 31394

Now multiplying the highest exponent prime factors to calculate the LCM of 31390 and 31394.

LCM(31390,31394) = 2¹ × 5¹ × 43¹ × 73¹ × 11¹ × 1427¹
LCM(31390,31394) = 492728830