What is the Least Common Multiple of 25920 and 25931?

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 25920 and 25931 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25920 and 25931, than apply into the LCM equation.

GCF(25920,25931) = 1
LCM(25920,25931) = ( 25920 × 25931) / 1
LCM(25920,25931) = 672131520 / 1
LCM(25920,25931) = 672131520

Least Common Multiple (LCM) of 25920 and 25931 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25920 and 25931. First we will calculate the prime factors of 25920 and 25931.

Prime Factorization of 25920

Prime Factorization of 25931

Now multiplying the highest exponent prime factors to calculate the LCM of 25920 and 25931.

LCM(25920,25931) = 2⁶ × 3⁴ × 5¹ × 25931¹
LCM(25920,25931) = 672131520