What is the Least Common Multiple of 74842 and 74856?

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 74842 and 74856 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74842 and 74856, than apply into the LCM equation.

GCF(74842,74856) = 2
LCM(74842,74856) = ( 74842 × 74856) / 2
LCM(74842,74856) = 5602372752 / 2
LCM(74842,74856) = 2801186376

Least Common Multiple (LCM) of 74842 and 74856 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74842 and 74856. First we will calculate the prime factors of 74842 and 74856.

Prime Factorization of 74842

Prime Factorization of 74856

Now multiplying the highest exponent prime factors to calculate the LCM of 74842 and 74856.

LCM(74842,74856) = 2³ × 23¹ × 1627¹ × 3¹ × 3119¹
LCM(74842,74856) = 2801186376