What is the Least Common Multiple of 6210 and 6221?

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 6210 and 6221 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6210 and 6221, than apply into the LCM equation.

GCF(6210,6221) = 1
LCM(6210,6221) = ( 6210 × 6221) / 1
LCM(6210,6221) = 38632410 / 1
LCM(6210,6221) = 38632410

Least Common Multiple (LCM) of 6210 and 6221 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6210 and 6221. First we will calculate the prime factors of 6210 and 6221.

Prime Factorization of 6210

Prime Factorization of 6221

Now multiplying the highest exponent prime factors to calculate the LCM of 6210 and 6221.

LCM(6210,6221) = 2¹ × 3³ × 5¹ × 23¹ × 6221¹
LCM(6210,6221) = 38632410