What is the Least Common Multiple of 2830 and 2842?

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 2830 and 2842 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2830 and 2842, than apply into the LCM equation.

GCF(2830,2842) = 2
LCM(2830,2842) = ( 2830 × 2842) / 2
LCM(2830,2842) = 8042860 / 2
LCM(2830,2842) = 4021430

Least Common Multiple (LCM) of 2830 and 2842 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2830 and 2842. First we will calculate the prime factors of 2830 and 2842.

Prime Factorization of 2830

Prime Factorization of 2842

Now multiplying the highest exponent prime factors to calculate the LCM of 2830 and 2842.

LCM(2830,2842) = 2¹ × 5¹ × 283¹ × 7² × 29¹
LCM(2830,2842) = 4021430