What is the Least Common Multiple of 68530 and 68543?

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 68530 and 68543 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68530 and 68543, than apply into the LCM equation.

GCF(68530,68543) = 1
LCM(68530,68543) = ( 68530 × 68543) / 1
LCM(68530,68543) = 4697251790 / 1
LCM(68530,68543) = 4697251790

Least Common Multiple (LCM) of 68530 and 68543 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68530 and 68543. First we will calculate the prime factors of 68530 and 68543.

Prime Factorization of 68530

Prime Factorization of 68543

Now multiplying the highest exponent prime factors to calculate the LCM of 68530 and 68543.

LCM(68530,68543) = 2¹ × 5¹ × 7¹ × 11¹ × 89¹ × 68543¹
LCM(68530,68543) = 4697251790