GCF and LCM Calculator Logo

What is the Least Common Multiple of 15604 and 15609?

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 15604 and 15609 is 243562836.

LCM(15604,15609) = 243562836

LCM Calculator and
and

Least Common Multiple of 15604 and 15609 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15604 and 15609, than apply into the LCM equation.

GCF(15604,15609) = 1
LCM(15604,15609) = ( 15604 × 15609) / 1
LCM(15604,15609) = 243562836 / 1
LCM(15604,15609) = 243562836

Least Common Multiple (LCM) of 15604 and 15609 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15604 and 15609. First we will calculate the prime factors of 15604 and 15609.

Prime Factorization of 15604

Prime factors of 15604 are 2, 47, 83. Prime factorization of 15604 in exponential form is:

15604 = 22 × 471 × 831

Prime Factorization of 15609

Prime factors of 15609 are 3, 11, 43. Prime factorization of 15609 in exponential form is:

15609 = 31 × 112 × 431

Now multiplying the highest exponent prime factors to calculate the LCM of 15604 and 15609.

LCM(15604,15609) = 22 × 471 × 831 × 31 × 112 × 431
LCM(15604,15609) = 243562836