What is the Least Common Multiple of 79440 and 79457?

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 79440 and 79457 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79440 and 79457, than apply into the LCM equation.

GCF(79440,79457) = 1
LCM(79440,79457) = ( 79440 × 79457) / 1
LCM(79440,79457) = 6312064080 / 1
LCM(79440,79457) = 6312064080

Least Common Multiple (LCM) of 79440 and 79457 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79440 and 79457. First we will calculate the prime factors of 79440 and 79457.

Prime Factorization of 79440

Prime Factorization of 79457

Now multiplying the highest exponent prime factors to calculate the LCM of 79440 and 79457.

LCM(79440,79457) = 2⁴ × 3¹ × 5¹ × 331¹ × 7¹ × 11351¹
LCM(79440,79457) = 6312064080