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    Factors of 80

    "Factors of a Number" Calculator
    Factors of

    What are the Factors of 80?

    Answer

    Factors of 80:
    1, 2, 4, 5, 8, 10, 16, 20, 40, 80

    10 factors · 80 = 24 × 5 · composite

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

    Factor pairs of 80

    √80 ≈ 8.94124581016204080

    5 pairs: 1 × 80 · 2 × 40 · 4 × 20 · 5 × 16 · 8 × 10

    Past √80 ≈ 8.94 every pair would repeat one already found — so checking stops at 8.

    80 = 24 × 5 → (4 + 1) × (1 + 1) = 10 factors: add 1 to each exponent and multiply.

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    Factors of 80. Factors of 80: full list and factor pairs.
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    Factors Table

    NumberFactors
    651, 5, 13, 65
    661, 2, 3, 6, 11, 22, 33, 66
    671, 67
    681, 2, 4, 17, 34, 68
    691, 3, 23, 69
    701, 2, 5, 7, 10, 14, 35, 70
    711, 71
    721, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72
    731, 73
    741, 2, 37, 74
    751, 3, 5, 15, 25, 75
    761, 2, 4, 19, 38, 76
    771, 7, 11, 77
    781, 2, 3, 6, 13, 26, 39, 78
    791, 79
    801, 2, 4, 5, 8, 10, 16, 20, 40, 80
    811, 3, 9, 27, 81
    821, 2, 41, 82
    831, 83
    841, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84
    851, 5, 17, 85
    861, 2, 43, 86
    871, 3, 29, 87
    881, 2, 4, 8, 11, 22, 44, 88
    891, 89
    901, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90
    911, 7, 13, 91
    921, 2, 4, 23, 46, 92
    931, 3, 31, 93
    941, 2, 47, 94
    Recalculate with different values ↑

    FAQ

    What are the Factors of 80?

    Factors of 80: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80

    How many factors does 80 have?

    Number 80 has 10 factors

    How many Factor Pairs does 80 have?

    Number 80 has 5 factor pairs

    Is 80 a prime or composite number?

    Composite: 80 = 2⁴ × 5, so it has 10 factors — a prime has exactly two.

    How many factors does 80 have excluding 1 and 80?

    8: 2, 4, 5, 8, 10, 16, 20 and 40.

    See Also