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Factors of 84

"Factors of a Number" Calculator

What are the Factors of 84?

Answer

Factors of 84:

1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84

12 factors · 84 = 2² × 3 × 7 · composite

Underlined — prime: 2, 3, 7 · 1 — neither prime nor composite · others — composite

Factor pairs of 84

6 pairs: 1 × 84 · 2 × 42 · 3 × 28 · 4 × 21 · 6 × 14 · 7 × 12

Past √84 ≈ 9.17 every pair would repeat one already found — so checking stops at 9.

84 = 2² × 3 × 7 → (2 + 1) × (1 + 1) × (1 + 1) = 12 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 84. Factors of 84: full list and factor pairs.

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Factors Table

Number	Factors
69	1, 3, 23, 69
70	1, 2, 5, 7, 10, 14, 35, 70
71	1, 71
72	1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72
73	1, 73
74	1, 2, 37, 74
75	1, 3, 5, 15, 25, 75
76	1, 2, 4, 19, 38, 76
77	1, 7, 11, 77
78	1, 2, 3, 6, 13, 26, 39, 78
79	1, 79
80	1, 2, 4, 5, 8, 10, 16, 20, 40, 80
81	1, 3, 9, 27, 81
82	1, 2, 41, 82
83	1, 83
84	1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84
85	1, 5, 17, 85
86	1, 2, 43, 86
87	1, 3, 29, 87
88	1, 2, 4, 8, 11, 22, 44, 88
89	1, 89
90	1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90
91	1, 7, 13, 91
92	1, 2, 4, 23, 46, 92
93	1, 3, 31, 93
94	1, 2, 47, 94
95	1, 5, 19, 95
96	1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96
97	1, 97
98	1, 2, 7, 14, 49, 98

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FAQ

What are the Factors of 84?

Factors of 84: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84

How many factors does 84 have?

Number 84 has 12 factors

How many Factor Pairs does 84 have?

Number 84 has 6 factor pairs

Is 84 a prime or composite number?

Composite: 84 = 2² × 3 × 7, so it has 12 factors — a prime has exactly two.

How many factors does 84 have excluding 1 and 84?

10: 2, 3, 4, 6, 7, 12, 14, 21, 28 and 42.