What is the Least Common Multiple of 31021 and 31028?

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 31021 and 31028 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31021 and 31028, than apply into the LCM equation.

GCF(31021,31028) = 1
LCM(31021,31028) = ( 31021 × 31028) / 1
LCM(31021,31028) = 962519588 / 1
LCM(31021,31028) = 962519588

Least Common Multiple (LCM) of 31021 and 31028 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31021 and 31028. First we will calculate the prime factors of 31021 and 31028.

Prime Factorization of 31021

Prime Factorization of 31028

Now multiplying the highest exponent prime factors to calculate the LCM of 31021 and 31028.

LCM(31021,31028) = 67¹ × 463¹ × 2² × 7757¹
LCM(31021,31028) = 962519588