What is the Least Common Multiple of 81757 and 81763?

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 81757 and 81763 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81757 and 81763, than apply into the LCM equation.

GCF(81757,81763) = 1
LCM(81757,81763) = ( 81757 × 81763) / 1
LCM(81757,81763) = 6684697591 / 1
LCM(81757,81763) = 6684697591

Least Common Multiple (LCM) of 81757 and 81763 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81757 and 81763. First we will calculate the prime factors of 81757 and 81763.

Prime Factorization of 81757

Prime Factorization of 81763

Now multiplying the highest exponent prime factors to calculate the LCM of 81757 and 81763.

LCM(81757,81763) = 13¹ × 19¹ × 331¹ × 11¹ × 7433¹
LCM(81757,81763) = 6684697591