What is the Least Common Multiple of 41920 and 41931?

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 41920 and 41931 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 41920 and 41931, than apply into the LCM equation.

GCF(41920,41931) = 1
LCM(41920,41931) = ( 41920 × 41931) / 1
LCM(41920,41931) = 1757747520 / 1
LCM(41920,41931) = 1757747520

Least Common Multiple (LCM) of 41920 and 41931 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 41920 and 41931. First we will calculate the prime factors of 41920 and 41931.

Prime Factorization of 41920

Prime Factorization of 41931

Now multiplying the highest exponent prime factors to calculate the LCM of 41920 and 41931.

LCM(41920,41931) = 2⁶ × 5¹ × 131¹ × 3³ × 1553¹
LCM(41920,41931) = 1757747520