What is the Least Common Multiple of 75278 and 75289?

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 75278 and 75289 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75278 and 75289, than apply into the LCM equation.

GCF(75278,75289) = 1
LCM(75278,75289) = ( 75278 × 75289) / 1
LCM(75278,75289) = 5667605342 / 1
LCM(75278,75289) = 5667605342

Least Common Multiple (LCM) of 75278 and 75289 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75278 and 75289. First we will calculate the prime factors of 75278 and 75289.

Prime Factorization of 75278

Prime Factorization of 75289

Now multiplying the highest exponent prime factors to calculate the LCM of 75278 and 75289.

LCM(75278,75289) = 2¹ × 7¹ × 19¹ × 283¹ × 75289¹
LCM(75278,75289) = 5667605342