What is the Least Common Multiple of 42856 and 42866?

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 42856 and 42866 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42856 and 42866, than apply into the LCM equation.

GCF(42856,42866) = 2
LCM(42856,42866) = ( 42856 × 42866) / 2
LCM(42856,42866) = 1837065296 / 2
LCM(42856,42866) = 918532648

Least Common Multiple (LCM) of 42856 and 42866 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42856 and 42866. First we will calculate the prime factors of 42856 and 42866.

Prime Factorization of 42856

Prime Factorization of 42866

Now multiplying the highest exponent prime factors to calculate the LCM of 42856 and 42866.

LCM(42856,42866) = 2³ × 11¹ × 487¹ × 21433¹
LCM(42856,42866) = 918532648