What is the Least Common Multiple of 74744 and 74756?

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 74744 and 74756 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74744 and 74756, than apply into the LCM equation.

GCF(74744,74756) = 4
LCM(74744,74756) = ( 74744 × 74756) / 4
LCM(74744,74756) = 5587562464 / 4
LCM(74744,74756) = 1396890616

Least Common Multiple (LCM) of 74744 and 74756 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74744 and 74756. First we will calculate the prime factors of 74744 and 74756.

Prime Factorization of 74744

Prime Factorization of 74756

Now multiplying the highest exponent prime factors to calculate the LCM of 74744 and 74756.

LCM(74744,74756) = 2³ × 9343¹ × 11¹ × 1699¹
LCM(74744,74756) = 1396890616