What is the Least Common Multiple of 74578 and 74582?

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 74578 and 74582 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74578 and 74582, than apply into the LCM equation.

GCF(74578,74582) = 2
LCM(74578,74582) = ( 74578 × 74582) / 2
LCM(74578,74582) = 5562176396 / 2
LCM(74578,74582) = 2781088198

Least Common Multiple (LCM) of 74578 and 74582 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74578 and 74582. First we will calculate the prime factors of 74578 and 74582.

Prime Factorization of 74578

Prime Factorization of 74582

Now multiplying the highest exponent prime factors to calculate the LCM of 74578 and 74582.

LCM(74578,74582) = 2¹ × 7² × 761¹ × 89¹ × 419¹
LCM(74578,74582) = 2781088198