What is the Least Common Multiple of 65697 and 65709?

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 65697 and 65709 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65697 and 65709, than apply into the LCM equation.

GCF(65697,65709) = 3
LCM(65697,65709) = ( 65697 × 65709) / 3
LCM(65697,65709) = 4316884173 / 3
LCM(65697,65709) = 1438961391

Least Common Multiple (LCM) of 65697 and 65709 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65697 and 65709. First we will calculate the prime factors of 65697 and 65709.

Prime Factorization of 65697

Prime Factorization of 65709

Now multiplying the highest exponent prime factors to calculate the LCM of 65697 and 65709.

LCM(65697,65709) = 3² × 61¹ × 359¹ × 7² × 149¹
LCM(65697,65709) = 1438961391