Least Common Multiple of 8421 and 8425

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 8421 and 8425 the smallest integer that is 70946925 that is divisible by both numbers.

Least Common Multiple (LCM) of 8421 and 8425 is 70946925.

LCM(8421,8425) = 70946925

LCM of 8421 and 8425

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

LCM of:
and

Least Common Multiple of 8421 and 8425

LCM of 8421 and 8425 is 70946925

Least common multiple can be found by multiplying the highest exponent prime factors of 8421 and 8425. First we will calculate the prime factors of 8421 and 8425.

Prime Factorization of 8421


3 8421
7 2807
401 401
1

Prime factors of 8421 are 3, 7,401. Prime factorization of 8421 in exponential form is:

8421 = 31×71×4011

Prime Factorization of 8425


5 8425
5 1685
337 337
1

Prime factors of 8425 are 5,337. Prime factorization of 8425 in exponential form is:

8425 = 52×3371

Now multiplying the highest exponent prime factors to calculate the LCM of 8421 and 8425.

LCM(8421,8425) = 31×52×71×3371×4011
LCM(8421,8425) = 70946925

Factors of 8421

List of positive integer factors of 8421 that divides 8421 without a remainder.

1, 3, 7, 21, 401, 1203, 2807, 8421

Factors of 8425

List of positive integer factors of 8425 that divides 8425 without a remainder.

1, 5, 25, 337, 1685, 8425

Least Common Multiple of 8421 and 8425 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8421 and 8425, than apply into the LCM equation.

GCF(8421,8425) = 1
LCM(8421,8425) = ( 8421 × 8425) / 1
LCM(8421,8425) = 70946925 / 1
LCM(8421,8425) = 70946925

Properties of LCM 8421 and 8425

(i) The LCM of 8425 and 8421 is associative

LCM of 8421 and 8425 = LCM of 8425 and 8421

Frequently Asked Questions on LCM of 8421 and 8425

1. What is the LCM of 8421 and 8425?

Answer: LCM of 8421 and 8425 is 70946925.

2. What are the Factors of 8421?

Answer: Factors of 8421 are 1, 3, 7, 21, 401, 1203, 2807, 8421. There are 8 integers that are factors of 8421. The greatest factor of 8421 is 8421.

3. What are the Factors of 8425?

Answer: Factors of 8425 are 1, 5, 25, 337, 1685, 8425. There are 6 integers that are factors of 8425. The greatest factor of 8425 is 8425.

4. How to Find the LCM of 8421 and 8425?

Answer:

Least Common Multiple of 8421 and 8425 = 70946925

Step 1: Find the prime factorization of 8421

8421 = 3 x 7 x 401

Step 2: Find the prime factorization of 8425

8425 = 5 x 5 x 337

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

LCM = 70946925 = 3 x 5 x 5 x 7 x 337 x 401

Step 4: Therefore, the least common multiple of 8421 and 8425 is 70946925.