What is the Least Common Multiple of 3215 and 3221?

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 3215 and 3221 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3215 and 3221, than apply into the LCM equation.

GCF(3215,3221) = 1
LCM(3215,3221) = ( 3215 × 3221) / 1
LCM(3215,3221) = 10355515 / 1
LCM(3215,3221) = 10355515

Least Common Multiple (LCM) of 3215 and 3221 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3215 and 3221. First we will calculate the prime factors of 3215 and 3221.

Prime Factorization of 3215

Prime Factorization of 3221

Now multiplying the highest exponent prime factors to calculate the LCM of 3215 and 3221.

LCM(3215,3221) = 5¹ × 643¹ × 3221¹
LCM(3215,3221) = 10355515