GCF and LCM Calculator Logo

What is the Least Common Multiple of 42633 and 42649?

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 42633 and 42649 is 1818254817.

LCM(42633,42649) = 1818254817

LCM Calculator and
and

Least Common Multiple of 42633 and 42649 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42633 and 42649, than apply into the LCM equation.

GCF(42633,42649) = 1
LCM(42633,42649) = ( 42633 × 42649) / 1
LCM(42633,42649) = 1818254817 / 1
LCM(42633,42649) = 1818254817

Least Common Multiple (LCM) of 42633 and 42649 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42633 and 42649. First we will calculate the prime factors of 42633 and 42649.

Prime Factorization of 42633

Prime factors of 42633 are 3, 1579. Prime factorization of 42633 in exponential form is:

42633 = 33 × 15791

Prime Factorization of 42649

Prime factors of 42649 are 42649. Prime factorization of 42649 in exponential form is:

42649 = 426491

Now multiplying the highest exponent prime factors to calculate the LCM of 42633 and 42649.

LCM(42633,42649) = 33 × 15791 × 426491
LCM(42633,42649) = 1818254817