What is the Least Common Multiple of 3423 and 3431?

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 3423 and 3431 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3423 and 3431, than apply into the LCM equation.

GCF(3423,3431) = 1
LCM(3423,3431) = ( 3423 × 3431) / 1
LCM(3423,3431) = 11744313 / 1
LCM(3423,3431) = 11744313

Least Common Multiple (LCM) of 3423 and 3431 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3423 and 3431. First we will calculate the prime factors of 3423 and 3431.

Prime Factorization of 3423

Prime Factorization of 3431

Now multiplying the highest exponent prime factors to calculate the LCM of 3423 and 3431.

LCM(3423,3431) = 3¹ × 7¹ × 163¹ × 47¹ × 73¹
LCM(3423,3431) = 11744313