What is the Least Common Multiple of 71409 and 71413?

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 71409 and 71413 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71409 and 71413, than apply into the LCM equation.

GCF(71409,71413) = 1
LCM(71409,71413) = ( 71409 × 71413) / 1
LCM(71409,71413) = 5099530917 / 1
LCM(71409,71413) = 5099530917

Least Common Multiple (LCM) of 71409 and 71413 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71409 and 71413. First we will calculate the prime factors of 71409 and 71413.

Prime Factorization of 71409

Prime Factorization of 71413

Now multiplying the highest exponent prime factors to calculate the LCM of 71409 and 71413.

LCM(71409,71413) = 3¹ × 13¹ × 1831¹ × 71413¹
LCM(71409,71413) = 5099530917