What is the Least Common Multiple of 73408 and 73421?

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 73408 and 73421 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 73408 and 73421, than apply into the LCM equation.

GCF(73408,73421) = 1
LCM(73408,73421) = ( 73408 × 73421) / 1
LCM(73408,73421) = 5389688768 / 1
LCM(73408,73421) = 5389688768

Least Common Multiple (LCM) of 73408 and 73421 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 73408 and 73421. First we will calculate the prime factors of 73408 and 73421.

Prime Factorization of 73408

Prime Factorization of 73421

Now multiplying the highest exponent prime factors to calculate the LCM of 73408 and 73421.

LCM(73408,73421) = 2⁶ × 31¹ × 37¹ × 73421¹
LCM(73408,73421) = 5389688768