What is the Least Common Multiple of 69145 and 69161?

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 69145 and 69161 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69145 and 69161, than apply into the LCM equation.

GCF(69145,69161) = 1
LCM(69145,69161) = ( 69145 × 69161) / 1
LCM(69145,69161) = 4782137345 / 1
LCM(69145,69161) = 4782137345

Least Common Multiple (LCM) of 69145 and 69161 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69145 and 69161. First we will calculate the prime factors of 69145 and 69161.

Prime Factorization of 69145

Prime Factorization of 69161

Now multiplying the highest exponent prime factors to calculate the LCM of 69145 and 69161.

LCM(69145,69161) = 5¹ × 13829¹ × 23¹ × 31¹ × 97¹
LCM(69145,69161) = 4782137345