What is the Least Common Multiple of 1025 and 1043?

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 1025 and 1043 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1025 and 1043, than apply into the LCM equation.

GCF(1025,1043) = 1
LCM(1025,1043) = ( 1025 × 1043) / 1
LCM(1025,1043) = 1069075 / 1
LCM(1025,1043) = 1069075

Least Common Multiple (LCM) of 1025 and 1043 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1025 and 1043. First we will calculate the prime factors of 1025 and 1043.

Prime Factorization of 1025

Prime Factorization of 1043

Now multiplying the highest exponent prime factors to calculate the LCM of 1025 and 1043.

LCM(1025,1043) = 5² × 41¹ × 7¹ × 149¹
LCM(1025,1043) = 1069075