What is the Least Common Multiple of 43643 and 43662?

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 43643 and 43662 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43643 and 43662, than apply into the LCM equation.

GCF(43643,43662) = 19
LCM(43643,43662) = ( 43643 × 43662) / 19
LCM(43643,43662) = 1905540666 / 19
LCM(43643,43662) = 100291614

Least Common Multiple (LCM) of 43643 and 43662 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43643 and 43662. First we will calculate the prime factors of 43643 and 43662.

Prime Factorization of 43643

Prime Factorization of 43662

Now multiplying the highest exponent prime factors to calculate the LCM of 43643 and 43662.

LCM(43643,43662) = 19¹ × 2297¹ × 2¹ × 3¹ × 383¹
LCM(43643,43662) = 100291614