What is the Least Common Multiple of 72445 and 72455?

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 72445 and 72455 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72445 and 72455, than apply into the LCM equation.

GCF(72445,72455) = 5
LCM(72445,72455) = ( 72445 × 72455) / 5
LCM(72445,72455) = 5249002475 / 5
LCM(72445,72455) = 1049800495

Least Common Multiple (LCM) of 72445 and 72455 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72445 and 72455. First we will calculate the prime factors of 72445 and 72455.

Prime Factorization of 72445

Prime Factorization of 72455

Now multiplying the highest exponent prime factors to calculate the LCM of 72445 and 72455.

LCM(72445,72455) = 5¹ × 14489¹ × 43¹ × 337¹
LCM(72445,72455) = 1049800495