What is the Least Common Multiple of 61403 and 61423?

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 61403 and 61423 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 61403 and 61423, than apply into the LCM equation.

GCF(61403,61423) = 1
LCM(61403,61423) = ( 61403 × 61423) / 1
LCM(61403,61423) = 3771556469 / 1
LCM(61403,61423) = 3771556469

Least Common Multiple (LCM) of 61403 and 61423 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 61403 and 61423. First we will calculate the prime factors of 61403 and 61423.

Prime Factorization of 61403

Prime Factorization of 61423

Now multiplying the highest exponent prime factors to calculate the LCM of 61403 and 61423.

LCM(61403,61423) = 61403¹ × 239¹ × 257¹
LCM(61403,61423) = 3771556469