What is the Least Common Multiple of 31958 and 31962?

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 31958 and 31962 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31958 and 31962, than apply into the LCM equation.

GCF(31958,31962) = 2
LCM(31958,31962) = ( 31958 × 31962) / 2
LCM(31958,31962) = 1021441596 / 2
LCM(31958,31962) = 510720798

Least Common Multiple (LCM) of 31958 and 31962 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31958 and 31962. First we will calculate the prime factors of 31958 and 31962.

Prime Factorization of 31958

Prime Factorization of 31962

Now multiplying the highest exponent prime factors to calculate the LCM of 31958 and 31962.

LCM(31958,31962) = 2¹ × 19¹ × 29² × 3¹ × 7¹ × 761¹
LCM(31958,31962) = 510720798