GCF and LCM Calculator Logo

What is the Least Common Multiple of 6578 and 6586?

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 6578 and 6586 is 21661354.

LCM(6578,6586) = 21661354

LCM Calculator and
and

Least Common Multiple of 6578 and 6586 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6578 and 6586, than apply into the LCM equation.

GCF(6578,6586) = 2
LCM(6578,6586) = ( 6578 × 6586) / 2
LCM(6578,6586) = 43322708 / 2
LCM(6578,6586) = 21661354

Least Common Multiple (LCM) of 6578 and 6586 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6578 and 6586. First we will calculate the prime factors of 6578 and 6586.

Prime Factorization of 6578

Prime factors of 6578 are 2, 11, 13, 23. Prime factorization of 6578 in exponential form is:

6578 = 21 × 111 × 131 × 231

Prime Factorization of 6586

Prime factors of 6586 are 2, 37, 89. Prime factorization of 6586 in exponential form is:

6586 = 21 × 371 × 891

Now multiplying the highest exponent prime factors to calculate the LCM of 6578 and 6586.

LCM(6578,6586) = 21 × 111 × 131 × 231 × 371 × 891
LCM(6578,6586) = 21661354