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Factors of 387

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What are the Factors of 387?

Answer

Factors of 387:

1, 3, 9, 43, 129, 387

6 factors · 387 = 3² × 43 · composite

Underlined — prime: 3, 43 · 1 — neither prime nor composite · others — composite

Factor pairs of 387

3 pairs: 1 × 387 · 3 × 129 · 9 × 43

Past √387 ≈ 19.67 every pair would repeat one already found — so checking stops at 19.

387 = 3² × 43 → (2 + 1) × (1 + 1) = 6 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 of 387. Factors of 387: full list and factor pairs.

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Factors Table

Number	Factors
372	1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 372
373	1, 373
374	1, 2, 11, 17, 22, 34, 187, 374
375	1, 3, 5, 15, 25, 75, 125, 375
376	1, 2, 4, 8, 47, 94, 188, 376
377	1, 13, 29, 377
378	1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378
379	1, 379
380	1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380
381	1, 3, 127, 381
382	1, 2, 191, 382
383	1, 383
384	1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384
385	1, 5, 7, 11, 35, 55, 77, 385
386	1, 2, 193, 386
387	1, 3, 9, 43, 129, 387
388	1, 2, 4, 97, 194, 388
389	1, 389
390	1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390
391	1, 17, 23, 391
392	1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392
393	1, 3, 131, 393
394	1, 2, 197, 394
395	1, 5, 79, 395
396	1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396
397	1, 397
398	1, 2, 199, 398
399	1, 3, 7, 19, 21, 57, 133, 399
400	1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400
401	1, 401

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FAQ

What are the Factors of 387?

Factors of 387: 1, 3, 9, 43, 129, 387

How many factors does 387 have?

Number 387 has 6 factors

How many Factor Pairs does 387 have?

Number 387 has 3 factor pairs

Is 387 a prime or composite number?

Composite: 387 = 3² × 43, so it has 6 factors — a prime has exactly two.

How many factors does 387 have excluding 1 and 387?

4: 3, 9, 43 and 129.