What is the Least Common Multiple of 68355 and 68361?

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 68355 and 68361 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68355 and 68361, than apply into the LCM equation.

GCF(68355,68361) = 3
LCM(68355,68361) = ( 68355 × 68361) / 3
LCM(68355,68361) = 4672816155 / 3
LCM(68355,68361) = 1557605385

Least Common Multiple (LCM) of 68355 and 68361 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68355 and 68361. First we will calculate the prime factors of 68355 and 68361.

Prime Factorization of 68355

Prime Factorization of 68361

Now multiplying the highest exponent prime factors to calculate the LCM of 68355 and 68361.

LCM(68355,68361) = 3² × 5¹ × 7² × 31¹ × 22787¹
LCM(68355,68361) = 1557605385