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What is the Least Common Multiple of 5580 and 5596?

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 (LCM) of 5580 and 5596 is 7806420.

LCM(5580,5596) = 7806420

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Least Common Multiple of 5580 and 5596 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5580 and 5596, than apply into the LCM equation.

GCF(5580,5596) = 4
LCM(5580,5596) = ( 5580 × 5596) / 4
LCM(5580,5596) = 31225680 / 4
LCM(5580,5596) = 7806420

Least Common Multiple (LCM) of 5580 and 5596 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5580 and 5596. First we will calculate the prime factors of 5580 and 5596.

Prime Factorization of 5580

Prime factors of 5580 are 2, 3, 5, 31. Prime factorization of 5580 in exponential form is:

5580 = 22 × 32 × 51 × 311

Prime Factorization of 5596

Prime factors of 5596 are 2, 1399. Prime factorization of 5596 in exponential form is:

5596 = 22 × 13991

Now multiplying the highest exponent prime factors to calculate the LCM of 5580 and 5596.

LCM(5580,5596) = 22 × 32 × 51 × 311 × 13991
LCM(5580,5596) = 7806420