What is the Least Common Multiple of 4281 and 4291?

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 4281 and 4291 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4281 and 4291, than apply into the LCM equation.

GCF(4281,4291) = 1
LCM(4281,4291) = ( 4281 × 4291) / 1
LCM(4281,4291) = 18369771 / 1
LCM(4281,4291) = 18369771

Least Common Multiple (LCM) of 4281 and 4291 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4281 and 4291. First we will calculate the prime factors of 4281 and 4291.

Prime Factorization of 4281

Prime Factorization of 4291

Now multiplying the highest exponent prime factors to calculate the LCM of 4281 and 4291.

LCM(4281,4291) = 3¹ × 1427¹ × 7¹ × 613¹
LCM(4281,4291) = 18369771