GCF and LCM Calculator Logo

What is the Least Common Multiple of 25560 and 25569?

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 25560 and 25569 is 72615960.

LCM(25560,25569) = 72615960

LCM Calculator and
and

Least Common Multiple of 25560 and 25569 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25560 and 25569, than apply into the LCM equation.

GCF(25560,25569) = 9
LCM(25560,25569) = ( 25560 × 25569) / 9
LCM(25560,25569) = 653543640 / 9
LCM(25560,25569) = 72615960

Least Common Multiple (LCM) of 25560 and 25569 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25560 and 25569. First we will calculate the prime factors of 25560 and 25569.

Prime Factorization of 25560

Prime factors of 25560 are 2, 3, 5, 71. Prime factorization of 25560 in exponential form is:

25560 = 23 × 32 × 51 × 711

Prime Factorization of 25569

Prime factors of 25569 are 3, 947. Prime factorization of 25569 in exponential form is:

25569 = 33 × 9471

Now multiplying the highest exponent prime factors to calculate the LCM of 25560 and 25569.

LCM(25560,25569) = 23 × 33 × 51 × 711 × 9471
LCM(25560,25569) = 72615960