Factors of 39

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What are the Factors of 39?

Answer

Factors of 39:

1, 3, 13, 39

4 factors · 39 = 3 × 13 · composite

Underlined — prime: 3, 13 · 1 — neither prime nor composite · others — composite

Factor pairs of 39

2 pairs: 1 × 39 · 3 × 13

Past √39 ≈ 6.24 every pair would repeat one already found — so checking stops at 6.

39 = 3 × 13 → (1 + 1) × (1 + 1) = 4 factors: add 1 to each exponent and multiply.

Related Calculations

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

Recalculate with different values ↑

Factors Table

Number	Factors
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
45	1, 3, 5, 9, 15, 45
46	1, 2, 23, 46
47	1, 47
48	1, 2, 3, 4, 6, 8, 12, 16, 24, 48
49	1, 7, 49
50	1, 2, 5, 10, 25, 50
51	1, 3, 17, 51
52	1, 2, 4, 13, 26, 52
53	1, 53

FAQ

What are the Factors of 39?

Factors of 39: 1, 3, 13, 39

How many factors does 39 have?

Number 39 has 4 factors

How many Factor Pairs does 39 have?

Number 39 has 2 factor pairs

Is 39 a prime or composite number?

Composite: 39 = 3 × 13, so it has 4 factors — a prime has exactly two.

How many factors does 39 have excluding 1 and 39?

2: 3 and 13.