What is the Least Common Multiple of 74309 and 74321?

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 74309 and 74321 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74309 and 74321, than apply into the LCM equation.

GCF(74309,74321) = 1
LCM(74309,74321) = ( 74309 × 74321) / 1
LCM(74309,74321) = 5522719189 / 1
LCM(74309,74321) = 5522719189

Least Common Multiple (LCM) of 74309 and 74321 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74309 and 74321. First we will calculate the prime factors of 74309 and 74321.

Prime Factorization of 74309

Prime Factorization of 74321

Now multiplying the highest exponent prime factors to calculate the LCM of 74309 and 74321.

LCM(74309,74321) = 19¹ × 3911¹ × 13¹ × 5717¹
LCM(74309,74321) = 5522719189