GCF and LCM Calculator Logo

What is the Least Common Multiple of 42528 and 42539?

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 42528 and 42539 is 1809098592.

LCM(42528,42539) = 1809098592

LCM Calculator and
and

Least Common Multiple of 42528 and 42539 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42528 and 42539, than apply into the LCM equation.

GCF(42528,42539) = 1
LCM(42528,42539) = ( 42528 × 42539) / 1
LCM(42528,42539) = 1809098592 / 1
LCM(42528,42539) = 1809098592

Least Common Multiple (LCM) of 42528 and 42539 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42528 and 42539. First we will calculate the prime factors of 42528 and 42539.

Prime Factorization of 42528

Prime factors of 42528 are 2, 3, 443. Prime factorization of 42528 in exponential form is:

42528 = 25 × 31 × 4431

Prime Factorization of 42539

Prime factors of 42539 are 7, 59, 103. Prime factorization of 42539 in exponential form is:

42539 = 71 × 591 × 1031

Now multiplying the highest exponent prime factors to calculate the LCM of 42528 and 42539.

LCM(42528,42539) = 25 × 31 × 4431 × 71 × 591 × 1031
LCM(42528,42539) = 1809098592