Least Common Multiple of 395 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 395 and 403 the smallest integer that is 159185 that is divisible by both numbers.

Least Common Multiple (LCM) of 395 and 403 is 159185.

LCM(395,403) = 159185

LCM of 395 and 403

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

LCM of:
and

Least Common Multiple of 395 and 403

LCM of 395 and 403 is 159185

Least common multiple can be found by multiplying the highest exponent prime factors of 395 and 403. First we will calculate the prime factors of 395 and 403.

Prime Factorization of 395


5 395
79 79
1

Prime factors of 395 are 5,79. Prime factorization of 395 in exponential form is:

395 = 51×791

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 395 and 403.

LCM(395,403) = 51×131×311×791
LCM(395,403) = 159185

Factors of 395

List of positive integer factors of 395 that divides 395 without a remainder.

1, 5, 79, 395

Factors of 403

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

1, 13, 31, 403

Least Common Multiple of 395 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 395 and 403, than apply into the LCM equation.

GCF(395,403) = 1
LCM(395,403) = ( 395 × 403) / 1
LCM(395,403) = 159185 / 1
LCM(395,403) = 159185

Properties of LCM 395 and 403

(i) The LCM of 403 and 395 is associative

LCM of 395 and 403 = LCM of 403 and 395

Frequently Asked Questions on LCM of 395 and 403

1. What is the LCM of 395 and 403?

Answer: LCM of 395 and 403 is 159185.

2. What are the Factors of 395?

Answer: Factors of 395 are 1, 5, 79, 395. There are 4 integers that are factors of 395. The greatest factor of 395 is 395.

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 395 and 403?

Answer:

Least Common Multiple of 395 and 403 = 159185

Step 1: Find the prime factorization of 395

395 = 5 x 79

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 = 159185 = 5 x 13 x 31 x 79

Step 4: Therefore, the least common multiple of 395 and 403 is 159185.