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Factors of 12

"Factors of a Number" Calculator

What are the Factors of 12?

Answer

Factors of 12:

1, 2, 3, 4, 6, 12

6 factors · 12 = 2² × 3 · composite

Underlined — prime: 2, 3 · 1 — neither prime nor composite · others — composite

Factor pairs of 12

3 pairs: 1 × 12 · 2 × 6 · 3 × 4

Past √12 ≈ 3.46 every pair would repeat one already found — so checking stops at 3.

12 = 2² × 3 → (2 + 1) × (1 + 1) = 6 factors: add 1 to each exponent and multiply.

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See Also

Prime Number Checker - Find out whether a given number is Prime or not
Prime Factorization - Prime Factorization Calculator
Prime Numbers List - List of all Prime Numbers - how many Prime numbers are between

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Factors of 12. Factors of 12: full list and factor pairs.

https://calculat.io/en/number/factors-of/12/generated.jpg

Factors Table

Number	Factors
1	1
2	1, 2
3	1, 3
4	1, 2, 4
5	1, 5
6	1, 2, 3, 6
7	1, 7
8	1, 2, 4, 8
9	1, 3, 9
10	1, 2, 5, 10
11	1, 11
12	1, 2, 3, 4, 6, 12
13	1, 13
14	1, 2, 7, 14
15	1, 3, 5, 15
16	1, 2, 4, 8, 16
17	1, 17
18	1, 2, 3, 6, 9, 18
19	1, 19
20	1, 2, 4, 5, 10, 20
21	1, 3, 7, 21
22	1, 2, 11, 22
23	1, 23
24	1, 2, 3, 4, 6, 8, 12, 24
25	1, 5, 25
26	1, 2, 13, 26
27	1, 3, 9, 27
28	1, 2, 4, 7, 14, 28
29	1, 29
30	1, 2, 3, 5, 6, 10, 15, 30

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FAQ

What are the Factors of 12?

Factors of 12: 1, 2, 3, 4, 6, 12

How many factors does 12 have?

Number 12 has 6 factors

How many Factor Pairs does 12 have?

Number 12 has 3 factor pairs

Is 12 a prime or composite number?

Composite: 12 = 2² × 3, so it has 6 factors — a prime has exactly two.

How many factors does 12 have excluding 1 and 12?

4: 2, 3, 4 and 6.