What is the Least Common Multiple of 69520 and 69531?

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 69520 and 69531 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69520 and 69531, than apply into the LCM equation.

GCF(69520,69531) = 11
LCM(69520,69531) = ( 69520 × 69531) / 11
LCM(69520,69531) = 4833795120 / 11
LCM(69520,69531) = 439435920

Least Common Multiple (LCM) of 69520 and 69531 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69520 and 69531. First we will calculate the prime factors of 69520 and 69531.

Prime Factorization of 69520

Prime Factorization of 69531

Now multiplying the highest exponent prime factors to calculate the LCM of 69520 and 69531.

LCM(69520,69531) = 2⁴ × 5¹ × 11¹ × 79¹ × 3¹ × 7² × 43¹
LCM(69520,69531) = 439435920