What is the Least Common Multiple of 71813 and 71831?

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 71813 and 71831 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71813 and 71831, than apply into the LCM equation.

GCF(71813,71831) = 1
LCM(71813,71831) = ( 71813 × 71831) / 1
LCM(71813,71831) = 5158399603 / 1
LCM(71813,71831) = 5158399603

Least Common Multiple (LCM) of 71813 and 71831 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71813 and 71831. First we will calculate the prime factors of 71813 and 71831.

Prime Factorization of 71813

Prime Factorization of 71831

Now multiplying the highest exponent prime factors to calculate the LCM of 71813 and 71831.

LCM(71813,71831) = 7¹ × 10259¹ × 109¹ × 659¹
LCM(71813,71831) = 5158399603