What is the Least Common Multiple of 7605 and 7610?

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 7605 and 7610 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7605 and 7610, than apply into the LCM equation.

GCF(7605,7610) = 5
LCM(7605,7610) = ( 7605 × 7610) / 5
LCM(7605,7610) = 57874050 / 5
LCM(7605,7610) = 11574810

Least Common Multiple (LCM) of 7605 and 7610 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7605 and 7610. First we will calculate the prime factors of 7605 and 7610.

Prime Factorization of 7605

Prime Factorization of 7610

Now multiplying the highest exponent prime factors to calculate the LCM of 7605 and 7610.

LCM(7605,7610) = 3² × 5¹ × 13² × 2¹ × 761¹
LCM(7605,7610) = 11574810