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Factors of 30

"Factors of a Number" Calculator

What are the Factors of 30?

Answer

Factors of 30:

1, 2, 3, 5, 6, 10, 15, 30

8 factors · 30 = 2 × 3 × 5 · composite

Underlined — prime: 2, 3, 5 · 1 — neither prime nor composite · others — composite

Factor pairs of 30

4 pairs: 1 × 30 · 2 × 15 · 3 × 10 · 5 × 6

Past √30 ≈ 5.48 every pair would repeat one already found — so checking stops at 5.

30 = 2 × 3 × 5 → (1 + 1) × (1 + 1) × (1 + 1) = 8 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 30. Factors of 30: full list and factor pairs.

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Factors Table

Number	Factors
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
31	1, 31
32	1, 2, 4, 8, 16, 32
33	1, 3, 11, 33
34	1, 2, 17, 34
35	1, 5, 7, 35
36	1, 2, 3, 4, 6, 9, 12, 18, 36
37	1, 37
38	1, 2, 19, 38
39	1, 3, 13, 39
40	1, 2, 4, 5, 8, 10, 20, 40
41	1, 41
42	1, 2, 3, 6, 7, 14, 21, 42
43	1, 43
44	1, 2, 4, 11, 22, 44

Recalculate with different values ↑

FAQ

What are the Factors of 30?

Factors of 30: 1, 2, 3, 5, 6, 10, 15, 30

How many factors does 30 have?

Number 30 has 8 factors

How many Factor Pairs does 30 have?

Number 30 has 4 factor pairs

Is 30 a prime or composite number?

Composite: 30 = 2 × 3 × 5, so it has 8 factors — a prime has exactly two.

How many factors does 30 have excluding 1 and 30?

6: 2, 3, 5, 6, 10 and 15.