What is the Least Common Multiple of 43430 and 43442?

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 43430 and 43442 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43430 and 43442, than apply into the LCM equation.

GCF(43430,43442) = 2
LCM(43430,43442) = ( 43430 × 43442) / 2
LCM(43430,43442) = 1886686060 / 2
LCM(43430,43442) = 943343030

Least Common Multiple (LCM) of 43430 and 43442 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43430 and 43442. First we will calculate the prime factors of 43430 and 43442.

Prime Factorization of 43430

Prime Factorization of 43442

Now multiplying the highest exponent prime factors to calculate the LCM of 43430 and 43442.

LCM(43430,43442) = 2¹ × 5¹ × 43¹ × 101¹ × 7¹ × 29¹ × 107¹
LCM(43430,43442) = 943343030