What is the Least Common Multiple of 31321 and 31325?

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 31321 and 31325 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31321 and 31325, than apply into the LCM equation.

GCF(31321,31325) = 1
LCM(31321,31325) = ( 31321 × 31325) / 1
LCM(31321,31325) = 981130325 / 1
LCM(31321,31325) = 981130325

Least Common Multiple (LCM) of 31321 and 31325 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31321 and 31325. First we will calculate the prime factors of 31321 and 31325.

Prime Factorization of 31321

Prime Factorization of 31325

Now multiplying the highest exponent prime factors to calculate the LCM of 31321 and 31325.

LCM(31321,31325) = 31321¹ × 5² × 7¹ × 179¹
LCM(31321,31325) = 981130325