Factors of 1520

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What are the Factors of 1,520?

Answer

Factors of 1,520:
1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520

20 factors · 1520 = 24 × 5 × 19 · composite

Underlined — prime: 2, 5, 19 · 1 — neither prime nor composite · others — composite

Factor pairs of 1,520

  • 1 × 1520
  • 2 × 760
  • 4 × 380
  • 5 × 304
  • 8 × 190
  • 10 × 152
  • 16 × 95
  • 19 × 80
  • 20 × 76
  • 38 × 40

√1520 ≈ 38.99 — the last pair 38 × 40 sits here; past it pairs repeat.

1520 = 24 × 5 × 19 → (4 + 1) × (1 + 1) × (1 + 1) = 20 factors: add 1 to each exponent and multiply.

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Factors Table

NumberFactors
1,4501, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450
1,4551, 3, 5, 15, 97, 291, 485, 1455
1,4601, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460
1,4651, 5, 293, 1465
1,4701, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470
1,4751, 5, 25, 59, 295, 1475
1,4801, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480
1,4851, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485
1,4901, 2, 5, 10, 149, 298, 745, 1490
1,4951, 5, 13, 23, 65, 115, 299, 1495
1,4971, 3, 499, 1497
1,5001, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 750, 1500
1,5051, 5, 7, 35, 43, 215, 301, 1505
1,5101, 2, 5, 10, 151, 302, 755, 1510
1,5151, 3, 5, 15, 101, 303, 505, 1515
1,5201, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520
1,5251, 5, 25, 61, 305, 1525
1,5301, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530
1,5401, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540
1,5451, 3, 5, 15, 103, 309, 515, 1545
1,5501, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550
1,5601, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560
1,5651, 5, 313, 1565
1,5701, 2, 5, 10, 157, 314, 785, 1570
1,5751, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 225, 315, 525, 1575
1,5801, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580
1,5851, 5, 317, 1585
1,5901, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 265, 318, 530, 795, 1590
1,5951, 5, 11, 29, 55, 145, 319, 1595
1,5981, 2, 17, 34, 47, 94, 799, 1598

FAQ

What are the Factors of 1,520?

Factors of 1,520: 1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520

How many factors does 1,520 have?

Number 1,520 has 20 factors

How many Factor Pairs does 1,520 have?

Number 1,520 has 10 factor pairs

Is 1,520 a prime or composite number?

Composite: 1520 = 2⁴ × 5 × 19, so it has 20 factors — a prime has exactly two.

How many factors does 1,520 have excluding 1 and 1,520?

18: 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380 and 760.

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