What is the Least Common Multiple of 43225 and 43243?

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 43225 and 43243 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43225 and 43243, than apply into the LCM equation.

GCF(43225,43243) = 1
LCM(43225,43243) = ( 43225 × 43243) / 1
LCM(43225,43243) = 1869178675 / 1
LCM(43225,43243) = 1869178675

Least Common Multiple (LCM) of 43225 and 43243 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43225 and 43243. First we will calculate the prime factors of 43225 and 43243.

Prime Factorization of 43225

Prime Factorization of 43243

Now multiplying the highest exponent prime factors to calculate the LCM of 43225 and 43243.

LCM(43225,43243) = 5² × 7¹ × 13¹ × 19¹ × 83¹ × 521¹
LCM(43225,43243) = 1869178675