What is the Least Common Multiple of 91403 and 91423?

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 91403 and 91423 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91403 and 91423, than apply into the LCM equation.

GCF(91403,91423) = 1
LCM(91403,91423) = ( 91403 × 91423) / 1
LCM(91403,91423) = 8356336469 / 1
LCM(91403,91423) = 8356336469

Least Common Multiple (LCM) of 91403 and 91423 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91403 and 91423. First we will calculate the prime factors of 91403 and 91423.

Prime Factorization of 91403

Prime Factorization of 91423

Now multiplying the highest exponent prime factors to calculate the LCM of 91403 and 91423.

LCM(91403,91423) = 13¹ × 79¹ × 89¹ × 91423¹
LCM(91403,91423) = 8356336469