What is the Least Common Multiple of 4397 and 4417?

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 4397 and 4417 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4397 and 4417, than apply into the LCM equation.

GCF(4397,4417) = 1
LCM(4397,4417) = ( 4397 × 4417) / 1
LCM(4397,4417) = 19421549 / 1
LCM(4397,4417) = 19421549

Least Common Multiple (LCM) of 4397 and 4417 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4397 and 4417. First we will calculate the prime factors of 4397 and 4417.

Prime Factorization of 4397

Prime Factorization of 4417

Now multiplying the highest exponent prime factors to calculate the LCM of 4397 and 4417.

LCM(4397,4417) = 4397¹ × 7¹ × 631¹
LCM(4397,4417) = 19421549