What is the Least Common Multiple of 90209 and 90218?

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 90209 and 90218 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90209 and 90218, than apply into the LCM equation.

GCF(90209,90218) = 1
LCM(90209,90218) = ( 90209 × 90218) / 1
LCM(90209,90218) = 8138475562 / 1
LCM(90209,90218) = 8138475562

Least Common Multiple (LCM) of 90209 and 90218 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90209 and 90218. First we will calculate the prime factors of 90209 and 90218.

Prime Factorization of 90209

Prime Factorization of 90218

Now multiplying the highest exponent prime factors to calculate the LCM of 90209 and 90218.

LCM(90209,90218) = 7³ × 263¹ × 2¹ × 79¹ × 571¹
LCM(90209,90218) = 8138475562