What is the Least Common Multiple of 3553 and 3557?

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 3553 and 3557 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3553 and 3557, than apply into the LCM equation.

GCF(3553,3557) = 1
LCM(3553,3557) = ( 3553 × 3557) / 1
LCM(3553,3557) = 12638021 / 1
LCM(3553,3557) = 12638021

Least Common Multiple (LCM) of 3553 and 3557 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3553 and 3557. First we will calculate the prime factors of 3553 and 3557.

Prime Factorization of 3553

Prime Factorization of 3557

Now multiplying the highest exponent prime factors to calculate the LCM of 3553 and 3557.

LCM(3553,3557) = 11¹ × 17¹ × 19¹ × 3557¹
LCM(3553,3557) = 12638021