Least Common Multiple of 395 and 401

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 401 the smallest integer that is 158395 that is divisible by both numbers.

Least Common Multiple (LCM) of 395 and 401 is 158395.

LCM(395,401) = 158395

LCM of 395 and 401

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

LCM of:
and

Least Common Multiple of 395 and 401

LCM of 395 and 401 is 158395

Least common multiple can be found by multiplying the highest exponent prime factors of 395 and 401. First we will calculate the prime factors of 395 and 401.

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 401


401 401
1

Prime factors of 401 are 401. Prime factorization of 401 in exponential form is:

401 = 4011

Now multiplying the highest exponent prime factors to calculate the LCM of 395 and 401.

LCM(395,401) = 51×791×4011
LCM(395,401) = 158395

Factors of 395

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

1, 5, 79, 395

Factors of 401

List of positive integer factors of 401 that divides 401 without a remainder.

1, 401

Least Common Multiple of 395 and 401 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 401, than apply into the LCM equation.

GCF(395,401) = 1
LCM(395,401) = ( 395 × 401) / 1
LCM(395,401) = 158395 / 1
LCM(395,401) = 158395

Properties of LCM 395 and 401

(i) The LCM of 401 and 395 is associative

LCM of 395 and 401 = LCM of 401 and 395

Frequently Asked Questions on LCM of 395 and 401

1. What is the LCM of 395 and 401?

Answer: LCM of 395 and 401 is 158395.

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 401?

Answer: Factors of 401 are 1, 401. There are 2 integers that are factors of 401. The greatest factor of 401 is 401.

4. How to Find the LCM of 395 and 401?

Answer:

Least Common Multiple of 395 and 401 = 158395

Step 1: Find the prime factorization of 395

395 = 5 x 79

Step 2: Find the prime factorization of 401

401 = 401

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

LCM = 158395 = 5 x 79 x 401

Step 4: Therefore, the least common multiple of 395 and 401 is 158395.