What is the Least Common Multiple of 29428 and 29440?

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 29428 and 29440 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 29428 and 29440, than apply into the LCM equation.

GCF(29428,29440) = 4
LCM(29428,29440) = ( 29428 × 29440) / 4
LCM(29428,29440) = 866360320 / 4
LCM(29428,29440) = 216590080

Least Common Multiple (LCM) of 29428 and 29440 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 29428 and 29440. First we will calculate the prime factors of 29428 and 29440.

Prime Factorization of 29428

Prime Factorization of 29440

Now multiplying the highest exponent prime factors to calculate the LCM of 29428 and 29440.

LCM(29428,29440) = 2⁸ × 7¹ × 1051¹ × 5¹ × 23¹
LCM(29428,29440) = 216590080