What is the Least Common Multiple of 7643 and 7663?

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 7663 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 7663, than apply into the LCM equation.

GCF(7643,7663) = 1
LCM(7643,7663) = ( 7643 × 7663) / 1
LCM(7643,7663) = 58568309 / 1
LCM(7643,7663) = 58568309

Least Common Multiple (LCM) of 7643 and 7663 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7643 and 7663. First we will calculate the prime factors of 7643 and 7663.

Prime Factorization of 7643

Prime Factorization of 7663

Now multiplying the highest exponent prime factors to calculate the LCM of 7643 and 7663.

LCM(7643,7663) = 7643¹ × 79¹ × 97¹
LCM(7643,7663) = 58568309