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What is the Least Common Multiple of 40330 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 40330 and 40338 is 813415770.

LCM(40330,40338) = 813415770

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Least Common Multiple of 40330 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 40330 and 40338, than apply into the LCM equation.

GCF(40330,40338) = 2
LCM(40330,40338) = ( 40330 × 40338) / 2
LCM(40330,40338) = 1626831540 / 2
LCM(40330,40338) = 813415770

Least Common Multiple (LCM) of 40330 and 40338 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40330 and 40338. First we will calculate the prime factors of 40330 and 40338.

Prime Factorization of 40330

Prime factors of 40330 are 2, 5, 37, 109. Prime factorization of 40330 in exponential form is:

40330 = 21 × 51 × 371 × 1091

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 40330 and 40338.

LCM(40330,40338) = 21 × 51 × 371 × 1091 × 35 × 831
LCM(40330,40338) = 813415770