What is the Least Common Multiple of 86480 and 86491?

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 86480 and 86491 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 86480 and 86491, than apply into the LCM equation.

GCF(86480,86491) = 1
LCM(86480,86491) = ( 86480 × 86491) / 1
LCM(86480,86491) = 7479741680 / 1
LCM(86480,86491) = 7479741680

Least Common Multiple (LCM) of 86480 and 86491 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 86480 and 86491. First we will calculate the prime factors of 86480 and 86491.

Prime Factorization of 86480

Prime Factorization of 86491

Now multiplying the highest exponent prime factors to calculate the LCM of 86480 and 86491.

LCM(86480,86491) = 2⁴ × 5¹ × 23¹ × 47¹ × 86491¹
LCM(86480,86491) = 7479741680