GCF and LCM Calculator Logo

What is the Least Common Multiple of 4556 and 4565?

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 4556 and 4565 is 20798140.

LCM(4556,4565) = 20798140

LCM Calculator and
and

Least Common Multiple of 4556 and 4565 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4556 and 4565, than apply into the LCM equation.

GCF(4556,4565) = 1
LCM(4556,4565) = ( 4556 × 4565) / 1
LCM(4556,4565) = 20798140 / 1
LCM(4556,4565) = 20798140

Least Common Multiple (LCM) of 4556 and 4565 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4556 and 4565. First we will calculate the prime factors of 4556 and 4565.

Prime Factorization of 4556

Prime factors of 4556 are 2, 17, 67. Prime factorization of 4556 in exponential form is:

4556 = 22 × 171 × 671

Prime Factorization of 4565

Prime factors of 4565 are 5, 11, 83. Prime factorization of 4565 in exponential form is:

4565 = 51 × 111 × 831

Now multiplying the highest exponent prime factors to calculate the LCM of 4556 and 4565.

LCM(4556,4565) = 22 × 171 × 671 × 51 × 111 × 831
LCM(4556,4565) = 20798140