Factors of 2640

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What are the Factors of 2,640?

Answer

Factors of 2,640:
40 factors: 1, 2, 3, 4, 5 … 880, 1320, 2640
all 40 factors

1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640

40 factors · 2640 = 24 × 3 × 5 × 11 · composite

Underlined — prime: 2, 3, 5, 11 · 1 — neither prime nor composite · others — composite

Factor pairs of 2,640

  • 1 × 2640
  • 2 × 1320
  • 3 × 880
  • 4 × 660
  • 5 × 528
  • 6 × 440
  • 8 × 330
  • 10 × 264

√2640 ≈ 51.38 — the last pair 48 × 55 sits here; past it pairs repeat.

all 20 pairs
  • 1 × 2640
  • 2 × 1320
  • 3 × 880
  • 4 × 660
  • 5 × 528
  • 6 × 440
  • 8 × 330
  • 10 × 264
  • 11 × 240
  • 12 × 220
  • 15 × 176
  • 16 × 165
  • 20 × 132
  • 22 × 120
  • 24 × 110
  • 30 × 88
  • 33 × 80
  • 40 × 66
  • 44 × 60
  • 48 × 55

2640 = 24 × 3 × 5 × 11 → (4 + 1) × (1 + 1) × (1 + 1) × (1 + 1) = 40 factors: add 1 to each exponent and multiply.

See Also

Recalculate with different values ↑

Factors Table

NumberFactors
2,5301, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530
2,5351, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535
2,5401, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540
2,5411, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541
2,5501, 2, 3, 5, 6, 10, 15, 17, 25, 30, 34, 50, 51, 75, 85, 102, 150, 170, 255, 425, 510, 850, 1275, 2550
2,5601, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560
2,5651, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565
2,5851, 5, 11, 47, 55, 235, 517, 2585
2,5951, 3, 5, 15, 173, 519, 865, 2595
2,6001, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600
2,6051, 5, 521, 2605
2,6101, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 1305, 2610
2,6201, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620
2,6251, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 175, 375, 525, 875, 2625
2,6301, 2, 5, 10, 263, 526, 1315, 2630
2,6401, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640
2,6501, 2, 5, 10, 25, 50, 53, 106, 265, 530, 1325, 2650
2,6601, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660
2,6701, 2, 3, 5, 6, 10, 15, 30, 89, 178, 267, 445, 534, 890, 1335, 2670
2,6751, 5, 25, 107, 535, 2675
2,6801, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680
2,6851, 3, 5, 15, 179, 537, 895, 2685
2,6901, 2, 5, 10, 269, 538, 1345, 2690
2,6951, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 2695
2,7001, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 135, 150, 180, 225, 270, 300, 450, 540, 675, 900, 1350, 2700
2,7051, 5, 541, 2705
2,7101, 2, 5, 10, 271, 542, 1355, 2710
2,7201, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720
2,7251, 5, 25, 109, 545, 2725
2,7301, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730

FAQ

What are the Factors of 2,640?

Factors of 2,640: 40 factors: 1, 2, 3, 4, 5 … 880, 1320, 2640

How many factors does 2,640 have?

Number 2,640 has 40 factors

How many Factor Pairs does 2,640 have?

Number 2,640 has 20 factor pairs

Is 2,640 a prime or composite number?

Composite: 2640 = 2⁴ × 3 × 5 × 11, so it has 40 factors — a prime has exactly two.

How many factors does 2,640 have excluding 1 and 2,640?

38 — all 40 factors except 1 and 2,640.

See Also