What is the Least Common Multiple of 69824 and 69842?

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 69824 and 69842 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69824 and 69842, than apply into the LCM equation.

GCF(69824,69842) = 2
LCM(69824,69842) = ( 69824 × 69842) / 2
LCM(69824,69842) = 4876647808 / 2
LCM(69824,69842) = 2438323904

Least Common Multiple (LCM) of 69824 and 69842 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69824 and 69842. First we will calculate the prime factors of 69824 and 69842.

Prime Factorization of 69824

Prime Factorization of 69842

Now multiplying the highest exponent prime factors to calculate the LCM of 69824 and 69842.

LCM(69824,69842) = 2⁶ × 1091¹ × 47¹ × 743¹
LCM(69824,69842) = 2438323904