What is the Least Common Multiple of 72245 and 72257?

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 72245 and 72257 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72245 and 72257, than apply into the LCM equation.

GCF(72245,72257) = 1
LCM(72245,72257) = ( 72245 × 72257) / 1
LCM(72245,72257) = 5220206965 / 1
LCM(72245,72257) = 5220206965

Least Common Multiple (LCM) of 72245 and 72257 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72245 and 72257. First we will calculate the prime factors of 72245 and 72257.

Prime Factorization of 72245

Prime Factorization of 72257

Now multiplying the highest exponent prime factors to calculate the LCM of 72245 and 72257.

LCM(72245,72257) = 5¹ × 14449¹ × 19¹ × 3803¹
LCM(72245,72257) = 5220206965