What is the Least Common Multiple of 91854 and 91862?

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 91854 and 91862 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91854 and 91862, than apply into the LCM equation.

GCF(91854,91862) = 2
LCM(91854,91862) = ( 91854 × 91862) / 2
LCM(91854,91862) = 8437892148 / 2
LCM(91854,91862) = 4218946074

Least Common Multiple (LCM) of 91854 and 91862 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91854 and 91862. First we will calculate the prime factors of 91854 and 91862.

Prime Factorization of 91854

Prime Factorization of 91862

Now multiplying the highest exponent prime factors to calculate the LCM of 91854 and 91862.

LCM(91854,91862) = 2¹ × 3⁸ × 7¹ × 23¹ × 1997¹
LCM(91854,91862) = 4218946074