Least Common Multiple of 399 and 404

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 399 and 404 the smallest integer that is 161196 that is divisible by both numbers.

Least Common Multiple (LCM) of 399 and 404 is 161196.

LCM(399,404) = 161196

LCM of 399 and 404

Least common multiple or lowest common denominator (LCD) can be calculated in three ways;

LCM of:
and

Least Common Multiple of 399 and 404

LCM of 399 and 404 is 161196

Least common multiple can be found by multiplying the highest exponent prime factors of 399 and 404. First we will calculate the prime factors of 399 and 404.

Prime Factorization of 399


3 399
7 133
19 19
1

Prime factors of 399 are 3, 7,19. Prime factorization of 399 in exponential form is:

399 = 31×71×191

Prime Factorization of 404


2 404
2 202
101 101
1

Prime factors of 404 are 2,101. Prime factorization of 404 in exponential form is:

404 = 22×1011

Now multiplying the highest exponent prime factors to calculate the LCM of 399 and 404.

LCM(399,404) = 22×31×71×191×1011
LCM(399,404) = 161196

Factors of 399

List of positive integer factors of 399 that divides 399 without a remainder.

1, 3, 7, 19, 21, 57, 133, 399

Factors of 404

List of positive integer factors of 404 that divides 404 without a remainder.

1, 2, 4, 101, 202, 404

Least Common Multiple of 399 and 404 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 399 and 404, than apply into the LCM equation.

GCF(399,404) = 1
LCM(399,404) = ( 399 × 404) / 1
LCM(399,404) = 161196 / 1
LCM(399,404) = 161196

Properties of LCM 399 and 404

(i) The LCM of 404 and 399 is associative

LCM of 399 and 404 = LCM of 404 and 399

Frequently Asked Questions on LCM of 399 and 404

1. What is the LCM of 399 and 404?

Answer: LCM of 399 and 404 is 161196.

2. What are the Factors of 399?

Answer: Factors of 399 are 1, 3, 7, 19, 21, 57, 133, 399. There are 8 integers that are factors of 399. The greatest factor of 399 is 399.

3. What are the Factors of 404?

Answer: Factors of 404 are 1, 2, 4, 101, 202, 404. There are 6 integers that are factors of 404. The greatest factor of 404 is 404.

4. How to Find the LCM of 399 and 404?

Answer:

Least Common Multiple of 399 and 404 = 161196

Step 1: Find the prime factorization of 399

399 = 3 x 7 x 19

Step 2: Find the prime factorization of 404

404 = 2 x 2 x 101

Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:

LCM = 161196 = 2 x 2 x 3 x 7 x 19 x 101

Step 4: Therefore, the least common multiple of 399 and 404 is 161196.