What is the Least Common Multiple of 7609 and 7621?

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 7609 and 7621 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7609 and 7621, than apply into the LCM equation.

GCF(7609,7621) = 1
LCM(7609,7621) = ( 7609 × 7621) / 1
LCM(7609,7621) = 57988189 / 1
LCM(7609,7621) = 57988189

Least Common Multiple (LCM) of 7609 and 7621 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7609 and 7621. First we will calculate the prime factors of 7609 and 7621.

Prime Factorization of 7609

Prime Factorization of 7621

Now multiplying the highest exponent prime factors to calculate the LCM of 7609 and 7621.

LCM(7609,7621) = 7¹ × 1087¹ × 7621¹
LCM(7609,7621) = 57988189