Factors of 438

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What are the Factors of 438?

Answer

Factors of 438:
1, 2, 3, 6, 73, 146, 219, 438

8 factors · 438 = 2 × 3 × 73 · composite

Underlined — prime: 2, 3, 73 · 1 — neither prime nor composite · others — composite

Factor pairs of 438

√438 ≈ 20.93123673146219438

4 pairs: 1 × 438 · 2 × 219 · 3 × 146 · 6 × 73

Past √438 ≈ 20.93 every pair would repeat one already found — so checking stops at 20.

438 = 2 × 3 × 73 → (1 + 1) × (1 + 1) × (1 + 1) = 8 factors: add 1 to each exponent and multiply.

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Factors Table

NumberFactors
4231, 3, 9, 47, 141, 423
4241, 2, 4, 8, 53, 106, 212, 424
4251, 5, 17, 25, 85, 425
4261, 2, 3, 6, 71, 142, 213, 426
4271, 7, 61, 427
4281, 2, 4, 107, 214, 428
4291, 3, 11, 13, 33, 39, 143, 429
4301, 2, 5, 10, 43, 86, 215, 430
4311, 431
4321, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432
4331, 433
4341, 2, 7, 14, 31, 62, 217, 434
4351, 3, 5, 15, 29, 87, 145, 435
4361, 2, 4, 109, 218, 436
4371, 19, 23, 437
4381, 2, 3, 6, 73, 146, 219, 438
4391, 439
4401, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440
4411, 3, 7, 9, 21, 49, 63, 147, 441
4421, 2, 13, 17, 26, 34, 221, 442
4431, 443
4441, 2, 3, 4, 6, 12, 37, 74, 111, 148, 222, 444
4451, 5, 89, 445
4461, 2, 223, 446
4471, 3, 149, 447
4481, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448
4491, 449
4501, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 225, 450
4511, 11, 41, 451
4521, 2, 4, 113, 226, 452

FAQ

What are the Factors of 438?

Factors of 438: 1, 2, 3, 6, 73, 146, 219, 438

How many factors does 438 have?

Number 438 has 8 factors

How many Factor Pairs does 438 have?

Number 438 has 4 factor pairs

Is 438 a prime or composite number?

Composite: 438 = 2 × 3 × 73, so it has 8 factors — a prime has exactly two.

How many factors does 438 have excluding 1 and 438?

6: 2, 3, 6, 73, 146 and 219.

See Also