GCF and LCM Calculator Logo

What is the Least Common Multiple of 42518 and 42535?

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 42518 and 42535 is 1808503130.

LCM(42518,42535) = 1808503130

LCM Calculator and
and

Least Common Multiple of 42518 and 42535 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42518 and 42535, than apply into the LCM equation.

GCF(42518,42535) = 1
LCM(42518,42535) = ( 42518 × 42535) / 1
LCM(42518,42535) = 1808503130 / 1
LCM(42518,42535) = 1808503130

Least Common Multiple (LCM) of 42518 and 42535 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42518 and 42535. First we will calculate the prime factors of 42518 and 42535.

Prime Factorization of 42518

Prime factors of 42518 are 2, 7, 3037. Prime factorization of 42518 in exponential form is:

42518 = 21 × 71 × 30371

Prime Factorization of 42535

Prime factors of 42535 are 5, 47, 181. Prime factorization of 42535 in exponential form is:

42535 = 51 × 471 × 1811

Now multiplying the highest exponent prime factors to calculate the LCM of 42518 and 42535.

LCM(42518,42535) = 21 × 71 × 30371 × 51 × 471 × 1811
LCM(42518,42535) = 1808503130