What is the Least Common Multiple of 4431 and 4451?

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 4431 and 4451 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4431 and 4451, than apply into the LCM equation.

GCF(4431,4451) = 1
LCM(4431,4451) = ( 4431 × 4451) / 1
LCM(4431,4451) = 19722381 / 1
LCM(4431,4451) = 19722381

Least Common Multiple (LCM) of 4431 and 4451 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4431 and 4451. First we will calculate the prime factors of 4431 and 4451.

Prime Factorization of 4431

Prime Factorization of 4451

Now multiplying the highest exponent prime factors to calculate the LCM of 4431 and 4451.

LCM(4431,4451) = 3¹ × 7¹ × 211¹ × 4451¹
LCM(4431,4451) = 19722381