What is the Least Common Multiple of 42920 and 42934?

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 42920 and 42934 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42920 and 42934, than apply into the LCM equation.

GCF(42920,42934) = 2
LCM(42920,42934) = ( 42920 × 42934) / 2
LCM(42920,42934) = 1842727280 / 2
LCM(42920,42934) = 921363640

Least Common Multiple (LCM) of 42920 and 42934 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42920 and 42934. First we will calculate the prime factors of 42920 and 42934.

Prime Factorization of 42920

Prime Factorization of 42934

Now multiplying the highest exponent prime factors to calculate the LCM of 42920 and 42934.

LCM(42920,42934) = 2³ × 5¹ × 29¹ × 37¹ × 21467¹
LCM(42920,42934) = 921363640