Factors of 520

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What are the Factors of 520?

Answer

Factors of 520:

1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520

16 factors · 520 = 2³ × 5 × 13 · composite

Underlined — prime: 2, 5, 13 · 1 — neither prime nor composite · others — composite

Factor pairs of 520

1 × 520
2 × 260
4 × 130
5 × 104
8 × 65
10 × 52
13 × 40
20 × 26

√520 ≈ 22.80 — the last pair 20 × 26 sits here; past it pairs repeat.

520 = 2³ × 5 × 13 → (3 + 1) × (1 + 1) × (1 + 1) = 16 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
505	1, 5, 101, 505
506	1, 2, 11, 22, 23, 46, 253, 506
507	1, 3, 13, 39, 169, 507
508	1, 2, 4, 127, 254, 508
509	1, 509
510	1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510
511	1, 7, 73, 511
512	1, 2, 4, 8, 16, 32, 64, 128, 256, 512
513	1, 3, 9, 19, 27, 57, 171, 513
514	1, 2, 257, 514
515	1, 5, 103, 515
516	1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516
517	1, 11, 47, 517
518	1, 2, 7, 14, 37, 74, 259, 518
519	1, 3, 173, 519
520	1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520
521	1, 521
522	1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 261, 522
523	1, 523
524	1, 2, 4, 131, 262, 524
525	1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525
526	1, 2, 263, 526
527	1, 17, 31, 527
528	1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 528
529	1, 23, 529
530	1, 2, 5, 10, 53, 106, 265, 530
531	1, 3, 9, 59, 177, 531
532	1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532
533	1, 13, 41, 533
534	1, 2, 3, 6, 89, 178, 267, 534

FAQ

What are the Factors of 520?

Factors of 520: 1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520

How many factors does 520 have?

Number 520 has 16 factors

How many Factor Pairs does 520 have?

Number 520 has 8 factor pairs

Is 520 a prime or composite number?

Composite: 520 = 2³ × 5 × 13, so it has 16 factors — a prime has exactly two.

How many factors does 520 have excluding 1 and 520?

14: 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130 and 260.