What is the Least Common Multiple of 81211 and 81217?

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 81211 and 81217 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81211 and 81217, than apply into the LCM equation.

GCF(81211,81217) = 1
LCM(81211,81217) = ( 81211 × 81217) / 1
LCM(81211,81217) = 6595713787 / 1
LCM(81211,81217) = 6595713787

Least Common Multiple (LCM) of 81211 and 81217 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81211 and 81217. First we will calculate the prime factors of 81211 and 81217.

Prime Factorization of 81211

Prime Factorization of 81217

Now multiplying the highest exponent prime factors to calculate the LCM of 81211 and 81217.

LCM(81211,81217) = 13¹ × 6247¹ × 241¹ × 337¹
LCM(81211,81217) = 6595713787