GCF and LCM Calculator Logo

What is the Least Common Multiple of 42574 and 42579?

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 42574 and 42579 is 1812758346.

LCM(42574,42579) = 1812758346

LCM Calculator and
and

Least Common Multiple of 42574 and 42579 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42574 and 42579, than apply into the LCM equation.

GCF(42574,42579) = 1
LCM(42574,42579) = ( 42574 × 42579) / 1
LCM(42574,42579) = 1812758346 / 1
LCM(42574,42579) = 1812758346

Least Common Multiple (LCM) of 42574 and 42579 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42574 and 42579. First we will calculate the prime factors of 42574 and 42579.

Prime Factorization of 42574

Prime factors of 42574 are 2, 7, 3041. Prime factorization of 42574 in exponential form is:

42574 = 21 × 71 × 30411

Prime Factorization of 42579

Prime factors of 42579 are 3, 19, 83. Prime factorization of 42579 in exponential form is:

42579 = 33 × 191 × 831

Now multiplying the highest exponent prime factors to calculate the LCM of 42574 and 42579.

LCM(42574,42579) = 21 × 71 × 30411 × 33 × 191 × 831
LCM(42574,42579) = 1812758346