Factors of 328

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What are the factors of 328?

Answer

Factors of 328:

1, 2, 4, 8, 41, 82, 164, 328

8 factors · 328 = 2³ × 41 · composite

Underlined — prime: 2, 41 · 1 — neither prime nor composite · others — composite

Factor pairs of 328

4 pairs: 1 × 328 · 2 × 164 · 4 × 82 · 8 × 41

Past √328 ≈ 18.11 every pair would repeat one already found — so checking stops at 18.

328 = 2³ × 41 → (3 + 1) × (1 + 1) = 8 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 Table

Number	Factors
313	1, 313
314	1, 2, 157, 314
315	1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315
316	1, 2, 4, 79, 158, 316
317	1, 317
318	1, 2, 3, 6, 53, 106, 159, 318
319	1, 11, 29, 319
320	1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320
321	1, 3, 107, 321
322	1, 2, 7, 14, 23, 46, 161, 322
323	1, 17, 19, 323
324	1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324
325	1, 5, 13, 25, 65, 325
326	1, 2, 163, 326
327	1, 3, 109, 327
328	1, 2, 4, 8, 41, 82, 164, 328
329	1, 7, 47, 329
330	1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330
331	1, 331
332	1, 2, 4, 83, 166, 332
333	1, 3, 9, 37, 111, 333
334	1, 2, 167, 334
335	1, 5, 67, 335
336	1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336
337	1, 337
338	1, 2, 13, 26, 169, 338
339	1, 3, 113, 339
340	1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340
341	1, 11, 31, 341
342	1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342

FAQ

What are the factors of 328?

Factors of 328: 1, 2, 4, 8, 41, 82, 164, 328

How many factors does 328 have?

Number 328 has 8 factors

How many factor pairs does 328 have?

Number 328 has 4 factor pairs

Is 328 a prime or composite number?

Composite: 328 = 2³ × 41, so it has 8 factors — a prime has exactly two.

How many factors does 328 have excluding 1 and 328?

6: 2, 4, 8, 41, 82 and 164.