Factors of 140

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What are the Factors of 140?

Answer

Factors of 140:

1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140

12 factors · 140 = 2² × 5 × 7 · composite

Underlined — prime: 2, 5, 7 · 1 — neither prime nor composite · others — composite

Factor pairs of 140

1 × 140
2 × 70
4 × 35
5 × 28
7 × 20
10 × 14

√140 ≈ 11.83 — the last pair 10 × 14 sits here; past it pairs repeat.

140 = 2² × 5 × 7 → (2 + 1) × (1 + 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
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
141	1, 3, 47, 141
142	1, 2, 71, 142
143	1, 11, 13, 143
144	1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144
145	1, 5, 29, 145
146	1, 2, 73, 146
147	1, 3, 7, 21, 49, 147
148	1, 2, 4, 37, 74, 148
149	1, 149
150	1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150
151	1, 151
152	1, 2, 4, 8, 19, 38, 76, 152
153	1, 3, 9, 17, 51, 153
154	1, 2, 7, 11, 14, 22, 77, 154

FAQ

What are the Factors of 140?

Factors of 140: 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140

How many factors does 140 have?

Number 140 has 12 factors

How many Factor Pairs does 140 have?

Number 140 has 6 factor pairs

Is 140 a prime or composite number?

Composite: 140 = 2² × 5 × 7, so it has 12 factors — a prime has exactly two.

How many factors does 140 have excluding 1 and 140?

10: 2, 4, 5, 7, 10, 14, 20, 28, 35 and 70.