What is the Least Common Multiple of 68570 and 68585?

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 68570 and 68585 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68570 and 68585, than apply into the LCM equation.

GCF(68570,68585) = 5
LCM(68570,68585) = ( 68570 × 68585) / 5
LCM(68570,68585) = 4702873450 / 5
LCM(68570,68585) = 940574690

Least Common Multiple (LCM) of 68570 and 68585 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68570 and 68585. First we will calculate the prime factors of 68570 and 68585.

Prime Factorization of 68570

Prime Factorization of 68585

Now multiplying the highest exponent prime factors to calculate the LCM of 68570 and 68585.

LCM(68570,68585) = 2¹ × 5¹ × 6857¹ × 11¹ × 29¹ × 43¹
LCM(68570,68585) = 940574690