What is the Least Common Multiple of 8221 and 8236?

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 8221 and 8236 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8221 and 8236, than apply into the LCM equation.

GCF(8221,8236) = 1
LCM(8221,8236) = ( 8221 × 8236) / 1
LCM(8221,8236) = 67708156 / 1
LCM(8221,8236) = 67708156

Least Common Multiple (LCM) of 8221 and 8236 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8221 and 8236. First we will calculate the prime factors of 8221 and 8236.

Prime Factorization of 8221

Prime Factorization of 8236

Now multiplying the highest exponent prime factors to calculate the LCM of 8221 and 8236.

LCM(8221,8236) = 8221¹ × 2² × 29¹ × 71¹
LCM(8221,8236) = 67708156