What is the Least Common Multiple of 85605 and 85610?

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 85605 and 85610 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 85605 and 85610, than apply into the LCM equation.

GCF(85605,85610) = 5
LCM(85605,85610) = ( 85605 × 85610) / 5
LCM(85605,85610) = 7328644050 / 5
LCM(85605,85610) = 1465728810

Least Common Multiple (LCM) of 85605 and 85610 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 85605 and 85610. First we will calculate the prime factors of 85605 and 85610.

Prime Factorization of 85605

Prime Factorization of 85610

Now multiplying the highest exponent prime factors to calculate the LCM of 85605 and 85610.

LCM(85605,85610) = 3¹ × 5¹ × 13¹ × 439¹ × 2¹ × 7¹ × 1223¹
LCM(85605,85610) = 1465728810