GCF and LCM Calculator Logo

What is the Least Common Multiple of 22645 and 22661?

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 22645 and 22661 is 513158345.

LCM(22645,22661) = 513158345

LCM Calculator and
and

Least Common Multiple of 22645 and 22661 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 22645 and 22661, than apply into the LCM equation.

GCF(22645,22661) = 1
LCM(22645,22661) = ( 22645 × 22661) / 1
LCM(22645,22661) = 513158345 / 1
LCM(22645,22661) = 513158345

Least Common Multiple (LCM) of 22645 and 22661 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 22645 and 22661. First we will calculate the prime factors of 22645 and 22661.

Prime Factorization of 22645

Prime factors of 22645 are 5, 7, 647. Prime factorization of 22645 in exponential form is:

22645 = 51 × 71 × 6471

Prime Factorization of 22661

Prime factors of 22661 are 17, 31, 43. Prime factorization of 22661 in exponential form is:

22661 = 171 × 311 × 431

Now multiplying the highest exponent prime factors to calculate the LCM of 22645 and 22661.

LCM(22645,22661) = 51 × 71 × 6471 × 171 × 311 × 431
LCM(22645,22661) = 513158345