GCF and LCM Calculator Logo

What is the Least Common Multiple of 40321 and 40338?

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 40321 and 40338 is 1626468498.

LCM(40321,40338) = 1626468498

LCM Calculator and
and

Least Common Multiple of 40321 and 40338 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40321 and 40338, than apply into the LCM equation.

GCF(40321,40338) = 1
LCM(40321,40338) = ( 40321 × 40338) / 1
LCM(40321,40338) = 1626468498 / 1
LCM(40321,40338) = 1626468498

Least Common Multiple (LCM) of 40321 and 40338 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40321 and 40338. First we will calculate the prime factors of 40321 and 40338.

Prime Factorization of 40321

Prime factors of 40321 are 61, 661. Prime factorization of 40321 in exponential form is:

40321 = 611 × 6611

Prime Factorization of 40338

Prime factors of 40338 are 2, 3, 83. Prime factorization of 40338 in exponential form is:

40338 = 21 × 35 × 831

Now multiplying the highest exponent prime factors to calculate the LCM of 40321 and 40338.

LCM(40321,40338) = 611 × 6611 × 21 × 35 × 831
LCM(40321,40338) = 1626468498