What is the Least Common Multiple of 42340 and 42358?

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 42340 and 42358 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42340 and 42358, than apply into the LCM equation.

GCF(42340,42358) = 2
LCM(42340,42358) = ( 42340 × 42358) / 2
LCM(42340,42358) = 1793437720 / 2
LCM(42340,42358) = 896718860

Least Common Multiple (LCM) of 42340 and 42358 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42340 and 42358. First we will calculate the prime factors of 42340 and 42358.

Prime Factorization of 42340

Prime Factorization of 42358

Now multiplying the highest exponent prime factors to calculate the LCM of 42340 and 42358.

LCM(42340,42358) = 2² × 5¹ × 29¹ × 73¹ × 21179¹
LCM(42340,42358) = 896718860