What is the Least Common Multiple of 87389 and 87406?

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 87389 and 87406 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 87389 and 87406, than apply into the LCM equation.

GCF(87389,87406) = 1
LCM(87389,87406) = ( 87389 × 87406) / 1
LCM(87389,87406) = 7638322934 / 1
LCM(87389,87406) = 7638322934

Least Common Multiple (LCM) of 87389 and 87406 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 87389 and 87406. First we will calculate the prime factors of 87389 and 87406.

Prime Factorization of 87389

Prime Factorization of 87406

Now multiplying the highest exponent prime factors to calculate the LCM of 87389 and 87406.

LCM(87389,87406) = 31¹ × 2819¹ × 2¹ × 11¹ × 29¹ × 137¹
LCM(87389,87406) = 7638322934