GCF and LCM Calculator Logo

What is the Least Common Multiple of 69483 and 69489?

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 69483 and 69489 is 1609434729.

LCM(69483,69489) = 1609434729

LCM Calculator and
and

Least Common Multiple of 69483 and 69489 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69483 and 69489, than apply into the LCM equation.

GCF(69483,69489) = 3
LCM(69483,69489) = ( 69483 × 69489) / 3
LCM(69483,69489) = 4828304187 / 3
LCM(69483,69489) = 1609434729

Least Common Multiple (LCM) of 69483 and 69489 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69483 and 69489. First we will calculate the prime factors of 69483 and 69489.

Prime Factorization of 69483

Prime factors of 69483 are 3, 19, 23, 53. Prime factorization of 69483 in exponential form is:

69483 = 31 × 191 × 231 × 531

Prime Factorization of 69489

Prime factors of 69489 are 3, 7, 1103. Prime factorization of 69489 in exponential form is:

69489 = 32 × 71 × 11031

Now multiplying the highest exponent prime factors to calculate the LCM of 69483 and 69489.

LCM(69483,69489) = 32 × 191 × 231 × 531 × 71 × 11031
LCM(69483,69489) = 1609434729