Least Common Multiple of 402 and 403

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 402 and 403 the smallest integer that is 162006 that is divisible by both numbers.

Least Common Multiple (LCM) of 402 and 403 is 162006.

LCM(402,403) = 162006

LCM of 402 and 403

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

LCM of:
and

Least Common Multiple of 402 and 403

LCM of 402 and 403 is 162006

Least common multiple can be found by multiplying the highest exponent prime factors of 402 and 403. First we will calculate the prime factors of 402 and 403.

Prime Factorization of 402


2 402
3 201
67 67
1

Prime factors of 402 are 2, 3,67. Prime factorization of 402 in exponential form is:

402 = 21×31×671

Prime Factorization of 403


13 403
31 31
1

Prime factors of 403 are 13,31. Prime factorization of 403 in exponential form is:

403 = 131×311

Now multiplying the highest exponent prime factors to calculate the LCM of 402 and 403.

LCM(402,403) = 21×31×131×311×671
LCM(402,403) = 162006

Factors of 402

List of positive integer factors of 402 that divides 402 without a remainder.

1, 2, 3, 6, 67, 134, 201, 402

Factors of 403

List of positive integer factors of 403 that divides 403 without a remainder.

1, 13, 31, 403

Least Common Multiple of 402 and 403 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 402 and 403, than apply into the LCM equation.

GCF(402,403) = 1
LCM(402,403) = ( 402 × 403) / 1
LCM(402,403) = 162006 / 1
LCM(402,403) = 162006

Properties of LCM 402 and 403

(i) The LCM of 403 and 402 is associative

LCM of 402 and 403 = LCM of 403 and 402

Frequently Asked Questions on LCM of 402 and 403

1. What is the LCM of 402 and 403?

Answer: LCM of 402 and 403 is 162006.

2. What are the Factors of 402?

Answer: Factors of 402 are 1, 2, 3, 6, 67, 134, 201, 402. There are 8 integers that are factors of 402. The greatest factor of 402 is 402.

3. What are the Factors of 403?

Answer: Factors of 403 are 1, 13, 31, 403. There are 4 integers that are factors of 403. The greatest factor of 403 is 403.

4. How to Find the LCM of 402 and 403?

Answer:

Least Common Multiple of 402 and 403 = 162006

Step 1: Find the prime factorization of 402

402 = 2 x 3 x 67

Step 2: Find the prime factorization of 403

403 = 13 x 31

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

LCM = 162006 = 2 x 3 x 13 x 31 x 67

Step 4: Therefore, the least common multiple of 402 and 403 is 162006.