What is the Least Common Multiple of 7643 and 7662?

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 7643 and 7662 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7643 and 7662, than apply into the LCM equation.

GCF(7643,7662) = 1
LCM(7643,7662) = ( 7643 × 7662) / 1
LCM(7643,7662) = 58560666 / 1
LCM(7643,7662) = 58560666

Least Common Multiple (LCM) of 7643 and 7662 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7643 and 7662. First we will calculate the prime factors of 7643 and 7662.

Prime Factorization of 7643

Prime Factorization of 7662

Now multiplying the highest exponent prime factors to calculate the LCM of 7643 and 7662.

LCM(7643,7662) = 7643¹ × 2¹ × 3¹ × 1277¹
LCM(7643,7662) = 58560666