Least Common Multiple of 1421 and 1423

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023

Free LCM Calculator determines the least common multiple (LCM) between 1421 and 1423 the smallest integer that is 2022083 that is divisible by both numbers.

Least Common Multiple (LCM) of 1421 and 1423 is 2022083.

LCM(1421,1423) = 2022083

LCM of 1421 and 1423

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

LCM of:
and

Least Common Multiple of 1421 and 1423

LCM of 1421 and 1423 is 2022083

Least common multiple can be found by multiplying the highest exponent prime factors of 1421 and 1423. First we will calculate the prime factors of 1421 and 1423.

Prime Factorization of 1421


7 1421
7 203
29 29
1

Prime factors of 1421 are 7,29. Prime factorization of 1421 in exponential form is:

1421 = 72×291

Prime Factorization of 1423


1423 1423
1

Prime factors of 1423 are 1423. Prime factorization of 1423 in exponential form is:

1423 = 14231

Now multiplying the highest exponent prime factors to calculate the LCM of 1421 and 1423.

LCM(1421,1423) = 72×291×14231
LCM(1421,1423) = 2022083

Factors of 1421

List of positive integer factors of 1421 that divides 1421 without a remainder.

1, 7, 29, 49, 203, 1421

Factors of 1423

List of positive integer factors of 1423 that divides 1423 without a remainder.

1, 1423

Least Common Multiple of 1421 and 1423 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1421 and 1423, than apply into the LCM equation.

GCF(1421,1423) = 1
LCM(1421,1423) = ( 1421 × 1423) / 1
LCM(1421,1423) = 2022083 / 1
LCM(1421,1423) = 2022083

Properties of LCM 1421 and 1423

(i) The LCM of 1423 and 1421 is associative

LCM of 1421 and 1423 = LCM of 1423 and 1421

Related Least Common Multiples of 1421

Related Least Common Multiples of 1423

Frequently Asked Questions on LCM of 1421 and 1423

1. What is the LCM of 1421 and 1423?

Answer: LCM of 1421 and 1423 is 2022083.

2. What are the Factors of 1421?

Answer: Factors of 1421 are 1, 7, 29, 49, 203, 1421. There are 6 integers that are factors of 1421. The greatest factor of 1421 is 1421.

3. What are the Factors of 1423?

Answer: Factors of 1423 are 1, 1423. There are 2 integers that are factors of 1423. The greatest factor of 1423 is 1423.

4. How to Find the LCM of 1421 and 1423?

Answer:

Least Common Multiple of 1421 and 1423 = 2022083

Step 1: Find the prime factorization of 1421

1421 = 7 x 7 x 29

Step 2: Find the prime factorization of 1423

1423 = 1423

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

LCM = 2022083 = 7 x 7 x 29 x 1423

Step 4: Therefore, the least common multiple of 1421 and 1423 is 2022083.