What is the Least Common Multiple of 42195 and 42213?

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 42195 and 42213 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42195 and 42213, than apply into the LCM equation.

GCF(42195,42213) = 3
LCM(42195,42213) = ( 42195 × 42213) / 3
LCM(42195,42213) = 1781177535 / 3
LCM(42195,42213) = 593725845

Least Common Multiple (LCM) of 42195 and 42213 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42195 and 42213. First we will calculate the prime factors of 42195 and 42213.

Prime Factorization of 42195

Prime Factorization of 42213

Now multiplying the highest exponent prime factors to calculate the LCM of 42195 and 42213.

LCM(42195,42213) = 3¹ × 5¹ × 29¹ × 97¹ × 14071¹
LCM(42195,42213) = 593725845