What is the Least Common Multiple of 78453 and 78473?

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 78453 and 78473 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78453 and 78473, than apply into the LCM equation.

GCF(78453,78473) = 1
LCM(78453,78473) = ( 78453 × 78473) / 1
LCM(78453,78473) = 6156442269 / 1
LCM(78453,78473) = 6156442269

Least Common Multiple (LCM) of 78453 and 78473 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78453 and 78473. First we will calculate the prime factors of 78453 and 78473.

Prime Factorization of 78453

Prime Factorization of 78473

Now multiplying the highest exponent prime factors to calculate the LCM of 78453 and 78473.

LCM(78453,78473) = 3² × 23¹ × 379¹ × 97¹ × 809¹
LCM(78453,78473) = 6156442269