Factors of 169

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What are the Factors of 169?

Answer

Factors of 169:
1, 13, 169

3 factors · 169 = 132 · composite

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

Factor pairs of 169

√169 = 13113169

2 pairs: 1 × 169 · 13 × 13

13 × 13 is a pair of one factor — that is why 169 has an odd number of factors, 3.

169 = 132 → (2 + 1) = 3 factors: add 1 to each exponent and multiply.

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Factors Table

NumberFactors
1541, 2, 7, 11, 14, 22, 77, 154
1551, 5, 31, 155
1561, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156
1571, 157
1581, 2, 79, 158
1591, 3, 53, 159
1601, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160
1611, 7, 23, 161
1621, 2, 3, 6, 9, 18, 27, 54, 81, 162
1631, 163
1641, 2, 4, 41, 82, 164
1651, 3, 5, 11, 15, 33, 55, 165
1661, 2, 83, 166
1671, 167
1681, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168
1691, 13, 169
1701, 2, 5, 10, 17, 34, 85, 170
1711, 3, 9, 19, 57, 171
1721, 2, 4, 43, 86, 172
1731, 173
1741, 2, 3, 6, 29, 58, 87, 174
1751, 5, 7, 25, 35, 175
1761, 2, 4, 8, 11, 16, 22, 44, 88, 176
1771, 3, 59, 177
1781, 2, 89, 178
1791, 179
1801, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180
1811, 181
1821, 2, 7, 13, 14, 26, 91, 182
1831, 3, 61, 183

FAQ

What are the Factors of 169?

Factors of 169: 1, 13, 169

How many factors does 169 have?

Number 169 has 3 factors

How many Factor Pairs does 169 have?

Number 169 has 2 factor pairs

Is 169 a prime or composite number?

Composite: 169 = 13², so it has 3 factors — a prime has exactly two.

How many factors does 169 have excluding 1 and 169?

1: 13.

Why does 169 have an odd number of factors?

169 is a perfect square: in the pair 13 × 13 the factor 13 pairs with itself, so the 3 factors are 1 pair plus 13.

See Also