GCF and LCM Calculator Logo

What is the Least Common Multiple of 80561 and 80570?

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 80561 and 80570 is 6490799770.

LCM(80561,80570) = 6490799770

LCM Calculator and
and

Least Common Multiple of 80561 and 80570 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80561 and 80570, than apply into the LCM equation.

GCF(80561,80570) = 1
LCM(80561,80570) = ( 80561 × 80570) / 1
LCM(80561,80570) = 6490799770 / 1
LCM(80561,80570) = 6490799770

Least Common Multiple (LCM) of 80561 and 80570 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80561 and 80570. First we will calculate the prime factors of 80561 and 80570.

Prime Factorization of 80561

Prime factors of 80561 are 13, 6197. Prime factorization of 80561 in exponential form is:

80561 = 131 × 61971

Prime Factorization of 80570

Prime factors of 80570 are 2, 5, 7, 1151. Prime factorization of 80570 in exponential form is:

80570 = 21 × 51 × 71 × 11511

Now multiplying the highest exponent prime factors to calculate the LCM of 80561 and 80570.

LCM(80561,80570) = 131 × 61971 × 21 × 51 × 71 × 11511
LCM(80561,80570) = 6490799770