What is the Least Common Multiple of 26240 and 26257?

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 26240 and 26257 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 26240 and 26257, than apply into the LCM equation.

GCF(26240,26257) = 1
LCM(26240,26257) = ( 26240 × 26257) / 1
LCM(26240,26257) = 688983680 / 1
LCM(26240,26257) = 688983680

Least Common Multiple (LCM) of 26240 and 26257 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 26240 and 26257. First we will calculate the prime factors of 26240 and 26257.

Prime Factorization of 26240

Prime Factorization of 26257

Now multiplying the highest exponent prime factors to calculate the LCM of 26240 and 26257.

LCM(26240,26257) = 2⁷ × 5¹ × 41¹ × 7¹ × 11² × 31¹
LCM(26240,26257) = 688983680