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    Factors of 243

    "Factors of a Number" Calculator
    Factors of

    What are the Factors of 243?

    Answer

    Factors of 243:
    1, 3, 9, 27, 81, 243

    6 factors · 243 = 35 · composite

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

    Factor pairs of 243

    √243 ≈ 15.591392781243

    3 pairs: 1 × 243 · 3 × 81 · 9 × 27

    Past √243 ≈ 15.59 every pair would repeat one already found — so checking stops at 15.

    243 = 35 → (5 + 1) = 6 factors: add 1 to each exponent and multiply.

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    Factors of 243. Factors of 243: full list and factor pairs.
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    Factors Table

    NumberFactors
    2281, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228
    2291, 229
    2301, 2, 5, 10, 23, 46, 115, 230
    2311, 3, 7, 11, 21, 33, 77, 231
    2321, 2, 4, 8, 29, 58, 116, 232
    2331, 233
    2341, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234
    2351, 5, 47, 235
    2361, 2, 4, 59, 118, 236
    2371, 3, 79, 237
    2381, 2, 7, 14, 17, 34, 119, 238
    2391, 239
    2401, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240
    2411, 241
    2421, 2, 11, 22, 121, 242
    2431, 3, 9, 27, 81, 243
    2441, 2, 4, 61, 122, 244
    2451, 5, 7, 35, 49, 245
    2461, 2, 3, 6, 41, 82, 123, 246
    2471, 13, 19, 247
    2481, 2, 4, 8, 31, 62, 124, 248
    2491, 3, 83, 249
    2501, 2, 5, 10, 25, 50, 125, 250
    2511, 251
    2521, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252
    2531, 11, 23, 253
    2541, 2, 127, 254
    2551, 3, 5, 15, 17, 51, 85, 255
    2561, 2, 4, 8, 16, 32, 64, 128, 256
    2571, 257
    Recalculate with different values ↑

    FAQ

    What are the Factors of 243?

    Factors of 243: 1, 3, 9, 27, 81, 243

    How many factors does 243 have?

    Number 243 has 6 factors

    How many Factor Pairs does 243 have?

    Number 243 has 3 factor pairs

    Is 243 a prime or composite number?

    Composite: 243 = 3⁵, so it has 6 factors — a prime has exactly two.

    How many factors does 243 have excluding 1 and 243?

    4: 3, 9, 27 and 81.

    See Also