GCF and LCM Calculator Logo

What is the Least Common Multiple of 42617 and 42630?

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 42617 and 42630 is 1816762710.

LCM(42617,42630) = 1816762710

LCM Calculator and
and

Least Common Multiple of 42617 and 42630 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42617 and 42630, than apply into the LCM equation.

GCF(42617,42630) = 1
LCM(42617,42630) = ( 42617 × 42630) / 1
LCM(42617,42630) = 1816762710 / 1
LCM(42617,42630) = 1816762710

Least Common Multiple (LCM) of 42617 and 42630 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42617 and 42630. First we will calculate the prime factors of 42617 and 42630.

Prime Factorization of 42617

Prime factors of 42617 are 19, 2243. Prime factorization of 42617 in exponential form is:

42617 = 191 × 22431

Prime Factorization of 42630

Prime factors of 42630 are 2, 3, 5, 7, 29. Prime factorization of 42630 in exponential form is:

42630 = 21 × 31 × 51 × 72 × 291

Now multiplying the highest exponent prime factors to calculate the LCM of 42617 and 42630.

LCM(42617,42630) = 191 × 22431 × 21 × 31 × 51 × 72 × 291
LCM(42617,42630) = 1816762710