Least Common Multiple of 21483 and 21490

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 21483 and 21490 the smallest integer that is 65952810 that is divisible by both numbers.

Least Common Multiple (LCM) of 21483 and 21490 is 65952810.

LCM(21483,21490) = 65952810

LCM of 21483 and 21490

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

LCM of:
and

Least Common Multiple of 21483 and 21490

LCM of 21483 and 21490 is 65952810

Least common multiple can be found by multiplying the highest exponent prime factors of 21483 and 21490. First we will calculate the prime factors of 21483 and 21490.

Prime Factorization of 21483


3 21483
3 7161
7 2387
11 341
31 31
1

Prime factors of 21483 are 3, 7, 11,31. Prime factorization of 21483 in exponential form is:

21483 = 32×71×111×311

Prime Factorization of 21490


2 21490
5 10745
7 2149
307 307
1

Prime factors of 21490 are 2, 5, 7,307. Prime factorization of 21490 in exponential form is:

21490 = 21×51×71×3071

Now multiplying the highest exponent prime factors to calculate the LCM of 21483 and 21490.

LCM(21483,21490) = 21×32×51×71×111×311×3071
LCM(21483,21490) = 65952810

Factors of 21483

List of positive integer factors of 21483 that divides 21483 without a remainder.

1, 3, 7, 9, 11, 21, 31, 33, 63, 77, 93, 99, 217, 231, 279, 341, 651, 693, 1023, 1953, 2387, 3069, 7161, 21483

Factors of 21490

List of positive integer factors of 21490 that divides 21490 without a remainder.

1, 2, 5, 7, 10, 14, 35, 70, 307, 614, 1535, 2149, 3070, 4298, 10745, 21490

Least Common Multiple of 21483 and 21490 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 21483 and 21490, than apply into the LCM equation.

GCF(21483,21490) = 7
LCM(21483,21490) = ( 21483 × 21490) / 7
LCM(21483,21490) = 461669670 / 7
LCM(21483,21490) = 65952810

Properties of LCM 21483 and 21490

(i) The LCM of 21490 and 21483 is associative

LCM of 21483 and 21490 = LCM of 21490 and 21483

Frequently Asked Questions on LCM of 21483 and 21490

1. What is the LCM of 21483 and 21490?

Answer: LCM of 21483 and 21490 is 65952810.

2. What are the Factors of 21483?

Answer: Factors of 21483 are 1, 3, 7, 9, 11, 21, 31, 33, 63, 77, 93, 99, 217, 231, 279, 341, 651, 693, 1023, 1953, 2387, 3069, 7161, 21483. There are 24 integers that are factors of 21483. The greatest factor of 21483 is 21483.

3. What are the Factors of 21490?

Answer: Factors of 21490 are 1, 2, 5, 7, 10, 14, 35, 70, 307, 614, 1535, 2149, 3070, 4298, 10745, 21490. There are 16 integers that are factors of 21490. The greatest factor of 21490 is 21490.

4. How to Find the LCM of 21483 and 21490?

Answer:

Least Common Multiple of 21483 and 21490 = 65952810

Step 1: Find the prime factorization of 21483

21483 = 3 x 3 x 7 x 11 x 31

Step 2: Find the prime factorization of 21490

21490 = 2 x 5 x 7 x 307

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

LCM = 65952810 = 2 x 3 x 3 x 5 x 7 x 11 x 31 x 307

Step 4: Therefore, the least common multiple of 21483 and 21490 is 65952810.