Least Common Multiple of 415 and 421

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 415 and 421 the smallest integer that is 174715 that is divisible by both numbers.

Least Common Multiple (LCM) of 415 and 421 is 174715.

LCM(415,421) = 174715

LCM of 415 and 421

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

LCM of:
and

Least Common Multiple of 415 and 421

LCM of 415 and 421 is 174715

Least common multiple can be found by multiplying the highest exponent prime factors of 415 and 421. First we will calculate the prime factors of 415 and 421.

Prime Factorization of 415


5 415
83 83
1

Prime factors of 415 are 5,83. Prime factorization of 415 in exponential form is:

415 = 51×831

Prime Factorization of 421


421 421
1

Prime factors of 421 are 421. Prime factorization of 421 in exponential form is:

421 = 4211

Now multiplying the highest exponent prime factors to calculate the LCM of 415 and 421.

LCM(415,421) = 51×831×4211
LCM(415,421) = 174715

Factors of 415

List of positive integer factors of 415 that divides 415 without a remainder.

1, 5, 83, 415

Factors of 421

List of positive integer factors of 421 that divides 421 without a remainder.

1, 421

Least Common Multiple of 415 and 421 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 415 and 421, than apply into the LCM equation.

GCF(415,421) = 1
LCM(415,421) = ( 415 × 421) / 1
LCM(415,421) = 174715 / 1
LCM(415,421) = 174715

Properties of LCM 415 and 421

(i) The LCM of 421 and 415 is associative

LCM of 415 and 421 = LCM of 421 and 415

Frequently Asked Questions on LCM of 415 and 421

1. What is the LCM of 415 and 421?

Answer: LCM of 415 and 421 is 174715.

2. What are the Factors of 415?

Answer: Factors of 415 are 1, 5, 83, 415. There are 4 integers that are factors of 415. The greatest factor of 415 is 415.

3. What are the Factors of 421?

Answer: Factors of 421 are 1, 421. There are 2 integers that are factors of 421. The greatest factor of 421 is 421.

4. How to Find the LCM of 415 and 421?

Answer:

Least Common Multiple of 415 and 421 = 174715

Step 1: Find the prime factorization of 415

415 = 5 x 83

Step 2: Find the prime factorization of 421

421 = 421

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

LCM = 174715 = 5 x 83 x 421

Step 4: Therefore, the least common multiple of 415 and 421 is 174715.