What is the Least Common Multiple of 25840 and 25844?

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 25840 and 25844 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25840 and 25844, than apply into the LCM equation.

GCF(25840,25844) = 4
LCM(25840,25844) = ( 25840 × 25844) / 4
LCM(25840,25844) = 667808960 / 4
LCM(25840,25844) = 166952240

Least Common Multiple (LCM) of 25840 and 25844 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25840 and 25844. First we will calculate the prime factors of 25840 and 25844.

Prime Factorization of 25840

Prime Factorization of 25844

Now multiplying the highest exponent prime factors to calculate the LCM of 25840 and 25844.

LCM(25840,25844) = 2⁴ × 5¹ × 17¹ × 19¹ × 7¹ × 13¹ × 71¹
LCM(25840,25844) = 166952240