What is the Least Common Multiple of 31621 and 31630?

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 31621 and 31630 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31621 and 31630, than apply into the LCM equation.

GCF(31621,31630) = 1
LCM(31621,31630) = ( 31621 × 31630) / 1
LCM(31621,31630) = 1000172230 / 1
LCM(31621,31630) = 1000172230

Least Common Multiple (LCM) of 31621 and 31630 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31621 and 31630. First we will calculate the prime factors of 31621 and 31630.

Prime Factorization of 31621

Prime Factorization of 31630

Now multiplying the highest exponent prime factors to calculate the LCM of 31621 and 31630.

LCM(31621,31630) = 103¹ × 307¹ × 2¹ × 5¹ × 3163¹
LCM(31621,31630) = 1000172230