What is the Least Common Multiple of 86451 and 86469?

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 86451 and 86469 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 86451 and 86469, than apply into the LCM equation.

GCF(86451,86469) = 3
LCM(86451,86469) = ( 86451 × 86469) / 3
LCM(86451,86469) = 7475331519 / 3
LCM(86451,86469) = 2491777173

Least Common Multiple (LCM) of 86451 and 86469 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 86451 and 86469. First we will calculate the prime factors of 86451 and 86469.

Prime Factorization of 86451

Prime Factorization of 86469

Now multiplying the highest exponent prime factors to calculate the LCM of 86451 and 86469.

LCM(86451,86469) = 3¹ × 28817¹ × 19¹ × 37¹ × 41¹
LCM(86451,86469) = 2491777173