What is the Least Common Multiple of 90896 and 90909?

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 90896 and 90909 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90896 and 90909, than apply into the LCM equation.

GCF(90896,90909) = 13
LCM(90896,90909) = ( 90896 × 90909) / 13
LCM(90896,90909) = 8263264464 / 13
LCM(90896,90909) = 635635728

Least Common Multiple (LCM) of 90896 and 90909 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90896 and 90909. First we will calculate the prime factors of 90896 and 90909.

Prime Factorization of 90896

Prime Factorization of 90909

Now multiplying the highest exponent prime factors to calculate the LCM of 90896 and 90909.

LCM(90896,90909) = 2⁴ × 13¹ × 19¹ × 23¹ × 3³ × 7¹ × 37¹
LCM(90896,90909) = 635635728