What is the Least Common Multiple of 83440 and 83457?

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 83440 and 83457 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83440 and 83457, than apply into the LCM equation.

GCF(83440,83457) = 1
LCM(83440,83457) = ( 83440 × 83457) / 1
LCM(83440,83457) = 6963652080 / 1
LCM(83440,83457) = 6963652080

Least Common Multiple (LCM) of 83440 and 83457 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83440 and 83457. First we will calculate the prime factors of 83440 and 83457.

Prime Factorization of 83440

Prime Factorization of 83457

Now multiplying the highest exponent prime factors to calculate the LCM of 83440 and 83457.

LCM(83440,83457) = 2⁴ × 5¹ × 7¹ × 149¹ × 3³ × 11¹ × 281¹
LCM(83440,83457) = 6963652080