What is the Least Common Multiple of 4285 and 4293?

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 4285 and 4293 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4285 and 4293, than apply into the LCM equation.

GCF(4285,4293) = 1
LCM(4285,4293) = ( 4285 × 4293) / 1
LCM(4285,4293) = 18395505 / 1
LCM(4285,4293) = 18395505

Least Common Multiple (LCM) of 4285 and 4293 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4285 and 4293. First we will calculate the prime factors of 4285 and 4293.

Prime Factorization of 4285

Prime Factorization of 4293

Now multiplying the highest exponent prime factors to calculate the LCM of 4285 and 4293.

LCM(4285,4293) = 5¹ × 857¹ × 3⁴ × 53¹
LCM(4285,4293) = 18395505