What is the Least Common Multiple of 7409 and 7413?

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 7409 and 7413 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7409 and 7413, than apply into the LCM equation.

GCF(7409,7413) = 1
LCM(7409,7413) = ( 7409 × 7413) / 1
LCM(7409,7413) = 54922917 / 1
LCM(7409,7413) = 54922917

Least Common Multiple (LCM) of 7409 and 7413 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7409 and 7413. First we will calculate the prime factors of 7409 and 7413.

Prime Factorization of 7409

Prime Factorization of 7413

Now multiplying the highest exponent prime factors to calculate the LCM of 7409 and 7413.

LCM(7409,7413) = 31¹ × 239¹ × 3¹ × 7¹ × 353¹
LCM(7409,7413) = 54922917