Factors of 126

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What are the Factors of 126?

Answer

Factors of 126:

1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126

12 factors · 126 = 2 × 3² × 7 · composite

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

Factor pairs of 126

1 × 126
2 × 63
3 × 42
6 × 21
7 × 18
9 × 14

√126 ≈ 11.22 — the last pair 9 × 14 sits here; past it pairs repeat.

126 = 2 × 3² × 7 → (1 + 1) × (2 + 1) × (1 + 1) = 12 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

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Factors Table

Number	Factors
111	1, 3, 37, 111
112	1, 2, 4, 7, 8, 14, 16, 28, 56, 112
113	1, 113
114	1, 2, 3, 6, 19, 38, 57, 114
115	1, 5, 23, 115
116	1, 2, 4, 29, 58, 116
117	1, 3, 9, 13, 39, 117
118	1, 2, 59, 118
119	1, 7, 17, 119
120	1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120
121	1, 11, 121
122	1, 2, 61, 122
123	1, 3, 41, 123
124	1, 2, 4, 31, 62, 124
125	1, 5, 25, 125
126	1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126
127	1, 127
128	1, 2, 4, 8, 16, 32, 64, 128
129	1, 3, 43, 129
130	1, 2, 5, 10, 13, 26, 65, 130
131	1, 131
132	1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132
133	1, 7, 19, 133
134	1, 2, 67, 134
135	1, 3, 5, 9, 15, 27, 45, 135
136	1, 2, 4, 8, 17, 34, 68, 136
137	1, 137
138	1, 2, 3, 6, 23, 46, 69, 138
139	1, 139
140	1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140

FAQ

What are the Factors of 126?

Factors of 126: 1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126

How many factors does 126 have?

Number 126 has 12 factors

How many Factor Pairs does 126 have?

Number 126 has 6 factor pairs

Is 126 a prime or composite number?

Composite: 126 = 2 × 3² × 7, so it has 12 factors — a prime has exactly two.

How many factors does 126 have excluding 1 and 126?

10: 2, 3, 6, 7, 9, 14, 18, 21, 42 and 63.