Least Common Multiple of 395 and 397

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 397 the smallest integer that is 156815 that is divisible by both numbers.

Least Common Multiple (LCM) of 395 and 397 is 156815.

LCM(395,397) = 156815

LCM of 395 and 397

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

LCM of:
and

Least Common Multiple of 395 and 397

LCM of 395 and 397 is 156815

Least common multiple can be found by multiplying the highest exponent prime factors of 395 and 397. First we will calculate the prime factors of 395 and 397.

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 397


397 397
1

Prime factors of 397 are 397. Prime factorization of 397 in exponential form is:

397 = 3971

Now multiplying the highest exponent prime factors to calculate the LCM of 395 and 397.

LCM(395,397) = 51×791×3971
LCM(395,397) = 156815

Factors of 395

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

1, 5, 79, 395

Factors of 397

List of positive integer factors of 397 that divides 397 without a remainder.

1, 397

Least Common Multiple of 395 and 397 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 397, than apply into the LCM equation.

GCF(395,397) = 1
LCM(395,397) = ( 395 × 397) / 1
LCM(395,397) = 156815 / 1
LCM(395,397) = 156815

Properties of LCM 395 and 397

(i) The LCM of 397 and 395 is associative

LCM of 395 and 397 = LCM of 397 and 395

Frequently Asked Questions on LCM of 395 and 397

1. What is the LCM of 395 and 397?

Answer: LCM of 395 and 397 is 156815.

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 397?

Answer: Factors of 397 are 1, 397. There are 2 integers that are factors of 397. The greatest factor of 397 is 397.

4. How to Find the LCM of 395 and 397?

Answer:

Least Common Multiple of 395 and 397 = 156815

Step 1: Find the prime factorization of 395

395 = 5 x 79

Step 2: Find the prime factorization of 397

397 = 397

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

LCM = 156815 = 5 x 79 x 397

Step 4: Therefore, the least common multiple of 395 and 397 is 156815.