What is the Least Common Multiple of 89615 and 89621?

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 89615 and 89621 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 89615 and 89621, than apply into the LCM equation.

GCF(89615,89621) = 1
LCM(89615,89621) = ( 89615 × 89621) / 1
LCM(89615,89621) = 8031385915 / 1
LCM(89615,89621) = 8031385915

Least Common Multiple (LCM) of 89615 and 89621 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 89615 and 89621. First we will calculate the prime factors of 89615 and 89621.

Prime Factorization of 89615

Prime Factorization of 89621

Now multiplying the highest exponent prime factors to calculate the LCM of 89615 and 89621.

LCM(89615,89621) = 5¹ × 17923¹ × 7² × 31¹ × 59¹
LCM(89615,89621) = 8031385915