What is the Least Common Multiple of 30938 and 30942?

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 30938 and 30942 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30938 and 30942, than apply into the LCM equation.

GCF(30938,30942) = 2
LCM(30938,30942) = ( 30938 × 30942) / 2
LCM(30938,30942) = 957283596 / 2
LCM(30938,30942) = 478641798

Least Common Multiple (LCM) of 30938 and 30942 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30938 and 30942. First we will calculate the prime factors of 30938 and 30942.

Prime Factorization of 30938

Prime Factorization of 30942

Now multiplying the highest exponent prime factors to calculate the LCM of 30938 and 30942.

LCM(30938,30942) = 2¹ × 31¹ × 499¹ × 3⁴ × 191¹
LCM(30938,30942) = 478641798