What is the Least Common Multiple of 3580 and 3598?

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 3580 and 3598 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3580 and 3598, than apply into the LCM equation.

GCF(3580,3598) = 2
LCM(3580,3598) = ( 3580 × 3598) / 2
LCM(3580,3598) = 12880840 / 2
LCM(3580,3598) = 6440420

Least Common Multiple (LCM) of 3580 and 3598 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3580 and 3598. First we will calculate the prime factors of 3580 and 3598.

Prime Factorization of 3580

Prime Factorization of 3598

Now multiplying the highest exponent prime factors to calculate the LCM of 3580 and 3598.

LCM(3580,3598) = 2² × 5¹ × 179¹ × 7¹ × 257¹
LCM(3580,3598) = 6440420