GCF and LCM Calculator Logo

What is the Least Common Multiple of 80705 and 80709?

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 80705 and 80709 is 6513619845.

LCM(80705,80709) = 6513619845

LCM Calculator and
and

Least Common Multiple of 80705 and 80709 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80705 and 80709, than apply into the LCM equation.

GCF(80705,80709) = 1
LCM(80705,80709) = ( 80705 × 80709) / 1
LCM(80705,80709) = 6513619845 / 1
LCM(80705,80709) = 6513619845

Least Common Multiple (LCM) of 80705 and 80709 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80705 and 80709. First we will calculate the prime factors of 80705 and 80709.

Prime Factorization of 80705

Prime factors of 80705 are 5, 16141. Prime factorization of 80705 in exponential form is:

80705 = 51 × 161411

Prime Factorization of 80709

Prime factors of 80709 are 3, 26903. Prime factorization of 80709 in exponential form is:

80709 = 31 × 269031

Now multiplying the highest exponent prime factors to calculate the LCM of 80705 and 80709.

LCM(80705,80709) = 51 × 161411 × 31 × 269031
LCM(80705,80709) = 6513619845