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Factors of 144

"Factors of a Number" Calculator

What are the Factors of 144?

Answer

Factors of 144:

1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144

15 factors · 144 = 2⁴ × 3² · composite

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

Factor pairs of 144

1 × 144
2 × 72
3 × 48
4 × 36
6 × 24
8 × 18
9 × 16
12 × 12

12 × 12 is a pair of one factor — that is why 144 has an odd number of factors, 15.

144 = 2⁴ × 3² → (4 + 1) × (2 + 1) = 15 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 144. Factors of 144: full list and factor pairs.

https://calculat.io/en/number/factors-of/144/generated.jpg

Factors Table

Number	Factors
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
155	1, 5, 31, 155
156	1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156
157	1, 157
158	1, 2, 79, 158

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FAQ

What are the Factors of 144?

Factors of 144: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144

How many factors does 144 have?

Number 144 has 15 factors

How many Factor Pairs does 144 have?

Number 144 has 8 factor pairs

Is 144 a prime or composite number?

Composite: 144 = 2⁴ × 3², so it has 15 factors — a prime has exactly two.

How many factors does 144 have excluding 1 and 144?

13: 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48 and 72.

Why does 144 have an odd number of factors?

144 is a perfect square: in the pair 12 × 12 the factor 12 pairs with itself, so the 15 factors are 7 pairs plus 12.