What is the Least Common Multiple of 71745 and 71763?

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 71745 and 71763 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71745 and 71763, than apply into the LCM equation.

GCF(71745,71763) = 3
LCM(71745,71763) = ( 71745 × 71763) / 3
LCM(71745,71763) = 5148636435 / 3
LCM(71745,71763) = 1716212145

Least Common Multiple (LCM) of 71745 and 71763 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71745 and 71763. First we will calculate the prime factors of 71745 and 71763.

Prime Factorization of 71745

Prime Factorization of 71763

Now multiplying the highest exponent prime factors to calculate the LCM of 71745 and 71763.

LCM(71745,71763) = 3¹ × 5¹ × 4783¹ × 19¹ × 1259¹
LCM(71745,71763) = 1716212145