What is the Least Common Multiple of 69809 and 69821?

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 69809 and 69821 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69809 and 69821, than apply into the LCM equation.

GCF(69809,69821) = 1
LCM(69809,69821) = ( 69809 × 69821) / 1
LCM(69809,69821) = 4874134189 / 1
LCM(69809,69821) = 4874134189

Least Common Multiple (LCM) of 69809 and 69821 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69809 and 69821. First we will calculate the prime factors of 69809 and 69821.

Prime Factorization of 69809

Prime Factorization of 69821

Now multiplying the highest exponent prime factors to calculate the LCM of 69809 and 69821.

LCM(69809,69821) = 69809¹ × 69821¹
LCM(69809,69821) = 4874134189