What is the Least Common Multiple of 42568 and 42586?

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 42568 and 42586 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42568 and 42586, than apply into the LCM equation.

GCF(42568,42586) = 2
LCM(42568,42586) = ( 42568 × 42586) / 2
LCM(42568,42586) = 1812800848 / 2
LCM(42568,42586) = 906400424

Least Common Multiple (LCM) of 42568 and 42586 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42568 and 42586. First we will calculate the prime factors of 42568 and 42586.

Prime Factorization of 42568

Prime Factorization of 42586

Now multiplying the highest exponent prime factors to calculate the LCM of 42568 and 42586.

LCM(42568,42586) = 2³ × 17¹ × 313¹ × 107¹ × 199¹
LCM(42568,42586) = 906400424