What is the Least Common Multiple of 53543 and 53557?

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 53543 and 53557 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 53543 and 53557, than apply into the LCM equation.

GCF(53543,53557) = 7
LCM(53543,53557) = ( 53543 × 53557) / 7
LCM(53543,53557) = 2867602451 / 7
LCM(53543,53557) = 409657493

Least Common Multiple (LCM) of 53543 and 53557 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 53543 and 53557. First we will calculate the prime factors of 53543 and 53557.

Prime Factorization of 53543

Prime Factorization of 53557

Now multiplying the highest exponent prime factors to calculate the LCM of 53543 and 53557.

LCM(53543,53557) = 7² × 7649¹ × 1093¹
LCM(53543,53557) = 409657493