GCF and LCM Calculator Logo

What is the Least Common Multiple of 33428 and 33438?

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 33428 and 33438 is 558882732.

LCM(33428,33438) = 558882732

LCM Calculator and
and

Least Common Multiple of 33428 and 33438 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 33428 and 33438, than apply into the LCM equation.

GCF(33428,33438) = 2
LCM(33428,33438) = ( 33428 × 33438) / 2
LCM(33428,33438) = 1117765464 / 2
LCM(33428,33438) = 558882732

Least Common Multiple (LCM) of 33428 and 33438 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 33428 and 33438. First we will calculate the prime factors of 33428 and 33438.

Prime Factorization of 33428

Prime factors of 33428 are 2, 61, 137. Prime factorization of 33428 in exponential form is:

33428 = 22 × 611 × 1371

Prime Factorization of 33438

Prime factors of 33438 are 2, 3, 5573. Prime factorization of 33438 in exponential form is:

33438 = 21 × 31 × 55731

Now multiplying the highest exponent prime factors to calculate the LCM of 33428 and 33438.

LCM(33428,33438) = 22 × 611 × 1371 × 31 × 55731
LCM(33428,33438) = 558882732