What is the Least Common Multiple of 42503 and 42523?

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 42503 and 42523 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42503 and 42523, than apply into the LCM equation.

GCF(42503,42523) = 1
LCM(42503,42523) = ( 42503 × 42523) / 1
LCM(42503,42523) = 1807355069 / 1
LCM(42503,42523) = 1807355069

Least Common Multiple (LCM) of 42503 and 42523 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42503 and 42523. First we will calculate the prime factors of 42503 and 42523.

Prime Factorization of 42503

Prime Factorization of 42523

Now multiplying the highest exponent prime factors to calculate the LCM of 42503 and 42523.

LCM(42503,42523) = 19¹ × 2237¹ × 13¹ × 3271¹
LCM(42503,42523) = 1807355069