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    Factors of 140

    "Factors of a Number" Calculator
    Factors of

    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

    √140 ≈ 11.8312457101420283570140

    6 pairs: 1 × 140 · 2 × 70 · 4 × 35 · 5 × 28 · 7 × 20 · 10 × 14

    Past √140 ≈ 11.83 every pair would repeat one already found — so checking stops at 11.

    140 = 22 × 5 × 7 → (2 + 1) × (1 + 1) × (1 + 1) = 12 factors: add 1 to each exponent and multiply.

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    Factors of 140. Factors of 140: full list and factor pairs.
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    Factors Table

    NumberFactors
    1251, 5, 25, 125
    1261, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126
    1271, 127
    1281, 2, 4, 8, 16, 32, 64, 128
    1291, 3, 43, 129
    1301, 2, 5, 10, 13, 26, 65, 130
    1311, 131
    1321, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132
    1331, 7, 19, 133
    1341, 2, 67, 134
    1351, 3, 5, 9, 15, 27, 45, 135
    1361, 2, 4, 8, 17, 34, 68, 136
    1371, 137
    1381, 2, 3, 6, 23, 46, 69, 138
    1391, 139
    1401, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140
    1411, 3, 47, 141
    1421, 2, 71, 142
    1431, 11, 13, 143
    1441, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144
    1451, 5, 29, 145
    1461, 2, 73, 146
    1471, 3, 7, 21, 49, 147
    1481, 2, 4, 37, 74, 148
    1491, 149
    1501, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150
    1511, 151
    1521, 2, 4, 8, 19, 38, 76, 152
    1531, 3, 9, 17, 51, 153
    1541, 2, 7, 11, 14, 22, 77, 154
    Recalculate with different values ↑

    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.

    See Also