What is the Least Common Multiple of 7830 and 7843?

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 7830 and 7843 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7830 and 7843, than apply into the LCM equation.

GCF(7830,7843) = 1
LCM(7830,7843) = ( 7830 × 7843) / 1
LCM(7830,7843) = 61410690 / 1
LCM(7830,7843) = 61410690

Least Common Multiple (LCM) of 7830 and 7843 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7830 and 7843. First we will calculate the prime factors of 7830 and 7843.

Prime Factorization of 7830

Prime Factorization of 7843

Now multiplying the highest exponent prime factors to calculate the LCM of 7830 and 7843.

LCM(7830,7843) = 2¹ × 3³ × 5¹ × 29¹ × 11¹ × 23¹ × 31¹
LCM(7830,7843) = 61410690