What is the Least Common Multiple of 72289 and 72307?

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 72289 and 72307 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72289 and 72307, than apply into the LCM equation.

GCF(72289,72307) = 1
LCM(72289,72307) = ( 72289 × 72307) / 1
LCM(72289,72307) = 5227000723 / 1
LCM(72289,72307) = 5227000723

Least Common Multiple (LCM) of 72289 and 72307 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72289 and 72307. First we will calculate the prime factors of 72289 and 72307.

Prime Factorization of 72289

Prime Factorization of 72307

Now multiplying the highest exponent prime factors to calculate the LCM of 72289 and 72307.

LCM(72289,72307) = 7¹ × 23¹ × 449¹ × 72307¹
LCM(72289,72307) = 5227000723