What is the Least Common Multiple of 69836 and 69856?

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 69836 and 69856 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69836 and 69856, than apply into the LCM equation.

GCF(69836,69856) = 4
LCM(69836,69856) = ( 69836 × 69856) / 4
LCM(69836,69856) = 4878463616 / 4
LCM(69836,69856) = 1219615904

Least Common Multiple (LCM) of 69836 and 69856 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69836 and 69856. First we will calculate the prime factors of 69836 and 69856.

Prime Factorization of 69836

Prime Factorization of 69856

Now multiplying the highest exponent prime factors to calculate the LCM of 69836 and 69856.

LCM(69836,69856) = 2⁵ × 13¹ × 17¹ × 79¹ × 37¹ × 59¹
LCM(69836,69856) = 1219615904