What is the Least Common Multiple of 65730 and 65742?

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 65730 and 65742 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65730 and 65742, than apply into the LCM equation.

GCF(65730,65742) = 6
LCM(65730,65742) = ( 65730 × 65742) / 6
LCM(65730,65742) = 4321221660 / 6
LCM(65730,65742) = 720203610

Least Common Multiple (LCM) of 65730 and 65742 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65730 and 65742. First we will calculate the prime factors of 65730 and 65742.

Prime Factorization of 65730

Prime Factorization of 65742

Now multiplying the highest exponent prime factors to calculate the LCM of 65730 and 65742.

LCM(65730,65742) = 2¹ × 3¹ × 5¹ × 7¹ × 313¹ × 10957¹
LCM(65730,65742) = 720203610