What is the Least Common Multiple of 81397 and 81417?

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 81397 and 81417 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81397 and 81417, than apply into the LCM equation.

GCF(81397,81417) = 1
LCM(81397,81417) = ( 81397 × 81417) / 1
LCM(81397,81417) = 6627099549 / 1
LCM(81397,81417) = 6627099549

Least Common Multiple (LCM) of 81397 and 81417 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81397 and 81417. First we will calculate the prime factors of 81397 and 81417.

Prime Factorization of 81397

Prime Factorization of 81417

Now multiplying the highest exponent prime factors to calculate the LCM of 81397 and 81417.

LCM(81397,81417) = 23¹ × 3539¹ × 3¹ × 7¹ × 3877¹
LCM(81397,81417) = 6627099549