How to find the factors of 437
Test every whole number from 1 up to the square root of 437 (√437 ≈ 20.905). Each number that divides evenly gives you two factors at once: the divisor and the quotient.
- 437 ÷ 1 = 437 — so 1 and 437 are factors
- 437 ÷ 2 = 218.5 — not a whole number
- 437 ÷ 3 = 145.667 — not a whole number
- 437 ÷ 4 = 109.25 — not a whole number
- 437 ÷ 5 = 87.4 — not a whole number
- 437 ÷ 6 = 72.833 — not a whole number
- 437 ÷ 7 = 62.429 — not a whole number
- 437 ÷ 8 = 54.625 — not a whole number
- 437 ÷ 9 = 48.556 — not a whole number
- 437 ÷ 10 = 43.7 — not a whole number
- 437 ÷ 11 = 39.727 — not a whole number
- 437 ÷ 12 = 36.417 — not a whole number
- 437 ÷ 13 = 33.615 — not a whole number
- 437 ÷ 14 = 31.214 — not a whole number
- 437 ÷ 15 = 29.133 — not a whole number
- 437 ÷ 16 = 27.313 — not a whole number
- 437 ÷ 17 = 25.706 — not a whole number
- 437 ÷ 18 = 24.278 — not a whole number
- 437 ÷ 19 = 23 — so 19 and 23 are factors
- 437 ÷ 20 = 21.85 — not a whole number
Collecting both numbers from every successful division gives the complete list: 1, 19, 23 and 437.
Prime factorization of 437
Divide by the smallest prime that fits, and keep going until the quotient is 1:
The primes you divided by give 437 = 19 × 23. From the exponents you can also count the factors without listing them: (1 + 1) × (1 + 1) = 4.
Properties of 437
- 437 is a composite number.
- The sum of all its factors is 480; the sum of its proper factors (excluding 437) is 43, which makes it a deficient number (its proper factors add up to less than itself).
- 437 is not a perfect square, so its factors pair up evenly.
- Multiples of 437 include 874, 1,311, 1,748, 2,185 and so on.
Factors vs. multiples
Factors of 437 are the numbers that divide into it; multiples of 437 are the numbers it divides into. Every number has a limited set of factors but infinitely many multiples. To work with any other number, use the factors calculator, or find shared factors with the GCF calculator.
Frequently asked questions
What are the factors of 437?
The factors of 437 are 1, 19, 23 and 437. Each of these divides 437 with no remainder.
How many factors does 437 have?
437 has 4 positive factors, which form 2 factor pairs. Counting negative factors as well doubles that to 8.
What is the prime factorization of 437?
437 = 19 × 23. Its distinct prime factors are 19 and 23.
Is 437 a prime number?
No. 437 is composite because it has 4 factors, more than the two a prime number has.