What is the Least Common Multiple of 71840 and 71851?

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 71840 and 71851 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71840 and 71851, than apply into the LCM equation.

GCF(71840,71851) = 1
LCM(71840,71851) = ( 71840 × 71851) / 1
LCM(71840,71851) = 5161775840 / 1
LCM(71840,71851) = 5161775840

Least Common Multiple (LCM) of 71840 and 71851 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71840 and 71851. First we will calculate the prime factors of 71840 and 71851.

Prime Factorization of 71840

Prime Factorization of 71851

Now multiplying the highest exponent prime factors to calculate the LCM of 71840 and 71851.

LCM(71840,71851) = 2⁵ × 5¹ × 449¹ × 13¹ × 5527¹
LCM(71840,71851) = 5161775840