What is the Least Common Multiple of 53450 and 53470?

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 53450 and 53470 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 53450 and 53470, than apply into the LCM equation.

GCF(53450,53470) = 10
LCM(53450,53470) = ( 53450 × 53470) / 10
LCM(53450,53470) = 2857971500 / 10
LCM(53450,53470) = 285797150

Least Common Multiple (LCM) of 53450 and 53470 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 53450 and 53470. First we will calculate the prime factors of 53450 and 53470.

Prime Factorization of 53450

Prime Factorization of 53470

Now multiplying the highest exponent prime factors to calculate the LCM of 53450 and 53470.

LCM(53450,53470) = 2¹ × 5² × 1069¹ × 5347¹
LCM(53450,53470) = 285797150