What is the Least Common Multiple of 67558 and 67570?

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 67558 and 67570 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67558 and 67570, than apply into the LCM equation.

GCF(67558,67570) = 2
LCM(67558,67570) = ( 67558 × 67570) / 2
LCM(67558,67570) = 4564894060 / 2
LCM(67558,67570) = 2282447030

Least Common Multiple (LCM) of 67558 and 67570 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67558 and 67570. First we will calculate the prime factors of 67558 and 67570.

Prime Factorization of 67558

Prime Factorization of 67570

Now multiplying the highest exponent prime factors to calculate the LCM of 67558 and 67570.

LCM(67558,67570) = 2¹ × 17¹ × 1987¹ × 5¹ × 29¹ × 233¹
LCM(67558,67570) = 2282447030