What is the Least Common Multiple of 71730 and 71739?

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 71730 and 71739 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71730 and 71739, than apply into the LCM equation.

GCF(71730,71739) = 9
LCM(71730,71739) = ( 71730 × 71739) / 9
LCM(71730,71739) = 5145838470 / 9
LCM(71730,71739) = 571759830

Least Common Multiple (LCM) of 71730 and 71739 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71730 and 71739. First we will calculate the prime factors of 71730 and 71739.

Prime Factorization of 71730

Prime Factorization of 71739

Now multiplying the highest exponent prime factors to calculate the LCM of 71730 and 71739.

LCM(71730,71739) = 2¹ × 3³ × 5¹ × 797¹ × 2657¹
LCM(71730,71739) = 571759830