What is the Least Common Multiple of 8620 and 8630?

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 8620 and 8630 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8620 and 8630, than apply into the LCM equation.

GCF(8620,8630) = 10
LCM(8620,8630) = ( 8620 × 8630) / 10
LCM(8620,8630) = 74390600 / 10
LCM(8620,8630) = 7439060

Least Common Multiple (LCM) of 8620 and 8630 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8620 and 8630. First we will calculate the prime factors of 8620 and 8630.

Prime Factorization of 8620

Prime Factorization of 8630

Now multiplying the highest exponent prime factors to calculate the LCM of 8620 and 8630.

LCM(8620,8630) = 2² × 5¹ × 431¹ × 863¹
LCM(8620,8630) = 7439060