Factors of 357

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What are the Factors of 357?

Answer

Factors of 357:

1, 3, 7, 17, 21, 51, 119, 357

8 factors · 357 = 3 × 7 × 17 · composite

Underlined — prime: 3, 7, 17 · 1 — neither prime nor composite · others — composite

Factor pairs of 357

4 pairs: 1 × 357 · 3 × 119 · 7 × 51 · 17 × 21

Past √357 ≈ 18.89 every pair would repeat one already found — so checking stops at 18.

357 = 3 × 7 × 17 → (1 + 1) × (1 + 1) × (1 + 1) = 8 factors: add 1 to each exponent and multiply.

Related Calculations

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
342	1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342
343	1, 7, 49, 343
344	1, 2, 4, 8, 43, 86, 172, 344
345	1, 3, 5, 15, 23, 69, 115, 345
346	1, 2, 173, 346
347	1, 347
348	1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 174, 348
349	1, 349
350	1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350
351	1, 3, 9, 13, 27, 39, 117, 351
352	1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 352
353	1, 353
354	1, 2, 3, 6, 59, 118, 177, 354
355	1, 5, 71, 355
356	1, 2, 4, 89, 178, 356
357	1, 3, 7, 17, 21, 51, 119, 357
358	1, 2, 179, 358
359	1, 359
360	1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360
361	1, 19, 361
362	1, 2, 181, 362
363	1, 3, 11, 33, 121, 363
364	1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364
365	1, 5, 73, 365
366	1, 2, 3, 6, 61, 122, 183, 366
367	1, 367
368	1, 2, 4, 8, 16, 23, 46, 92, 184, 368
369	1, 3, 9, 41, 123, 369
370	1, 2, 5, 10, 37, 74, 185, 370
371	1, 7, 53, 371

FAQ

What are the Factors of 357?

Factors of 357: 1, 3, 7, 17, 21, 51, 119, 357

How many factors does 357 have?

Number 357 has 8 factors

How many Factor Pairs does 357 have?

Number 357 has 4 factor pairs

Is 357 a prime or composite number?

Composite: 357 = 3 × 7 × 17, so it has 8 factors — a prime has exactly two.

How many factors does 357 have excluding 1 and 357?

6: 3, 7, 17, 21, 51 and 119.