GCF and LCM Calculator Logo

What is the Least Common Multiple of 80487 and 80505?

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 80487 and 80505 is 719956215.

LCM(80487,80505) = 719956215

LCM Calculator and
and

Least Common Multiple of 80487 and 80505 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80487 and 80505, than apply into the LCM equation.

GCF(80487,80505) = 9
LCM(80487,80505) = ( 80487 × 80505) / 9
LCM(80487,80505) = 6479605935 / 9
LCM(80487,80505) = 719956215

Least Common Multiple (LCM) of 80487 and 80505 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80487 and 80505. First we will calculate the prime factors of 80487 and 80505.

Prime Factorization of 80487

Prime factors of 80487 are 3, 11, 271. Prime factorization of 80487 in exponential form is:

80487 = 33 × 111 × 2711

Prime Factorization of 80505

Prime factors of 80505 are 3, 5, 1789. Prime factorization of 80505 in exponential form is:

80505 = 32 × 51 × 17891

Now multiplying the highest exponent prime factors to calculate the LCM of 80487 and 80505.

LCM(80487,80505) = 33 × 111 × 2711 × 51 × 17891
LCM(80487,80505) = 719956215