GCF and LCM Calculator Logo

What is the Least Common Multiple of 42502 and 42517?

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 42502 and 42517 is 1807057534.

LCM(42502,42517) = 1807057534

LCM Calculator and
and

Least Common Multiple of 42502 and 42517 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42502 and 42517, than apply into the LCM equation.

GCF(42502,42517) = 1
LCM(42502,42517) = ( 42502 × 42517) / 1
LCM(42502,42517) = 1807057534 / 1
LCM(42502,42517) = 1807057534

Least Common Multiple (LCM) of 42502 and 42517 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42502 and 42517. First we will calculate the prime factors of 42502 and 42517.

Prime Factorization of 42502

Prime factors of 42502 are 2, 79, 269. Prime factorization of 42502 in exponential form is:

42502 = 21 × 791 × 2691

Prime Factorization of 42517

Prime factors of 42517 are 17, 41, 61. Prime factorization of 42517 in exponential form is:

42517 = 171 × 411 × 611

Now multiplying the highest exponent prime factors to calculate the LCM of 42502 and 42517.

LCM(42502,42517) = 21 × 791 × 2691 × 171 × 411 × 611
LCM(42502,42517) = 1807057534