GCF and LCM Calculator Logo

What is the Least Common Multiple of 15785 and 15802?

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 15785 and 15802 is 249434570.

LCM(15785,15802) = 249434570

LCM Calculator and
and

Least Common Multiple of 15785 and 15802 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15785 and 15802, than apply into the LCM equation.

GCF(15785,15802) = 1
LCM(15785,15802) = ( 15785 × 15802) / 1
LCM(15785,15802) = 249434570 / 1
LCM(15785,15802) = 249434570

Least Common Multiple (LCM) of 15785 and 15802 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15785 and 15802. First we will calculate the prime factors of 15785 and 15802.

Prime Factorization of 15785

Prime factors of 15785 are 5, 7, 11, 41. Prime factorization of 15785 in exponential form is:

15785 = 51 × 71 × 111 × 411

Prime Factorization of 15802

Prime factors of 15802 are 2, 7901. Prime factorization of 15802 in exponential form is:

15802 = 21 × 79011

Now multiplying the highest exponent prime factors to calculate the LCM of 15785 and 15802.

LCM(15785,15802) = 51 × 71 × 111 × 411 × 21 × 79011
LCM(15785,15802) = 249434570