What is the Least Common Multiple of 67345 and 67361?

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 67345 and 67361 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67345 and 67361, than apply into the LCM equation.

GCF(67345,67361) = 1
LCM(67345,67361) = ( 67345 × 67361) / 1
LCM(67345,67361) = 4536426545 / 1
LCM(67345,67361) = 4536426545

Least Common Multiple (LCM) of 67345 and 67361 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67345 and 67361. First we will calculate the prime factors of 67345 and 67361.

Prime Factorization of 67345

Prime Factorization of 67361

Now multiplying the highest exponent prime factors to calculate the LCM of 67345 and 67361.

LCM(67345,67361) = 5¹ × 13469¹ × 7¹ × 9623¹
LCM(67345,67361) = 4536426545