Factors of 385

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What are the Factors of 385?

Answer

Factors of 385:
1, 5, 7, 11, 35, 55, 77, 385

8 factors · 385 = 5 × 7 × 11 · composite

Underlined — prime: 5, 7, 11 · 1 — neither prime nor composite · others — composite

Factor pairs of 385

√385 ≈ 19.6215711355577385

4 pairs: 1 × 385 · 5 × 77 · 7 × 55 · 11 × 35

Past √385 ≈ 19.62 every pair would repeat one already found — so checking stops at 19.

385 = 5 × 7 × 11 → (1 + 1) × (1 + 1) × (1 + 1) = 8 factors: add 1 to each exponent and multiply.

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Factors Table

NumberFactors
3701, 2, 5, 10, 37, 74, 185, 370
3711, 7, 53, 371
3721, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 372
3731, 373
3741, 2, 11, 17, 22, 34, 187, 374
3751, 3, 5, 15, 25, 75, 125, 375
3761, 2, 4, 8, 47, 94, 188, 376
3771, 13, 29, 377
3781, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378
3791, 379
3801, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380
3811, 3, 127, 381
3821, 2, 191, 382
3831, 383
3841, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384
3851, 5, 7, 11, 35, 55, 77, 385
3861, 2, 193, 386
3871, 3, 9, 43, 129, 387
3881, 2, 4, 97, 194, 388
3891, 389
3901, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390
3911, 17, 23, 391
3921, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392
3931, 3, 131, 393
3941, 2, 197, 394
3951, 5, 79, 395
3961, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396
3971, 397
3981, 2, 199, 398
3991, 3, 7, 19, 21, 57, 133, 399

FAQ

What are the Factors of 385?

Factors of 385: 1, 5, 7, 11, 35, 55, 77, 385

How many factors does 385 have?

Number 385 has 8 factors

How many Factor Pairs does 385 have?

Number 385 has 4 factor pairs

Is 385 a prime or composite number?

Composite: 385 = 5 × 7 × 11, so it has 8 factors — a prime has exactly two.

How many factors does 385 have excluding 1 and 385?

6: 5, 7, 11, 35, 55 and 77.

See Also