GCF and LCM Calculator Logo

What is the Least Common Multiple of 20586 and 20604?

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 20586 and 20604 is 70692324.

LCM(20586,20604) = 70692324

LCM Calculator and
and

Least Common Multiple of 20586 and 20604 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20586 and 20604, than apply into the LCM equation.

GCF(20586,20604) = 6
LCM(20586,20604) = ( 20586 × 20604) / 6
LCM(20586,20604) = 424153944 / 6
LCM(20586,20604) = 70692324

Least Common Multiple (LCM) of 20586 and 20604 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20586 and 20604. First we will calculate the prime factors of 20586 and 20604.

Prime Factorization of 20586

Prime factors of 20586 are 2, 3, 47, 73. Prime factorization of 20586 in exponential form is:

20586 = 21 × 31 × 471 × 731

Prime Factorization of 20604

Prime factors of 20604 are 2, 3, 17, 101. Prime factorization of 20604 in exponential form is:

20604 = 22 × 31 × 171 × 1011

Now multiplying the highest exponent prime factors to calculate the LCM of 20586 and 20604.

LCM(20586,20604) = 22 × 31 × 471 × 731 × 171 × 1011
LCM(20586,20604) = 70692324