What is the Least Common Multiple of 86423 and 86431?

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 86423 and 86431 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 86423 and 86431, than apply into the LCM equation.

GCF(86423,86431) = 1
LCM(86423,86431) = ( 86423 × 86431) / 1
LCM(86423,86431) = 7469626313 / 1
LCM(86423,86431) = 7469626313

Least Common Multiple (LCM) of 86423 and 86431 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 86423 and 86431. First we will calculate the prime factors of 86423 and 86431.

Prime Factorization of 86423

Prime Factorization of 86431

Now multiplying the highest exponent prime factors to calculate the LCM of 86423 and 86431.

LCM(86423,86431) = 86423¹ × 19¹ × 4549¹
LCM(86423,86431) = 7469626313