What is the Least Common Multiple of 53209 and 53221?

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 53209 and 53221 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 53209 and 53221, than apply into the LCM equation.

GCF(53209,53221) = 1
LCM(53209,53221) = ( 53209 × 53221) / 1
LCM(53209,53221) = 2831836189 / 1
LCM(53209,53221) = 2831836189

Least Common Multiple (LCM) of 53209 and 53221 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 53209 and 53221. First we will calculate the prime factors of 53209 and 53221.

Prime Factorization of 53209

Prime Factorization of 53221

Now multiplying the highest exponent prime factors to calculate the LCM of 53209 and 53221.

LCM(53209,53221) = 13¹ × 4093¹ × 7¹ × 7603¹
LCM(53209,53221) = 2831836189