What is the Least Common Multiple of 79408 and 79421?

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 79408 and 79421 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79408 and 79421, than apply into the LCM equation.

GCF(79408,79421) = 1
LCM(79408,79421) = ( 79408 × 79421) / 1
LCM(79408,79421) = 6306662768 / 1
LCM(79408,79421) = 6306662768

Least Common Multiple (LCM) of 79408 and 79421 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79408 and 79421. First we will calculate the prime factors of 79408 and 79421.

Prime Factorization of 79408

Prime Factorization of 79421

Now multiplying the highest exponent prime factors to calculate the LCM of 79408 and 79421.

LCM(79408,79421) = 2⁴ × 7¹ × 709¹ × 43¹ × 1847¹
LCM(79408,79421) = 6306662768