Factors of 650

650 has 12 factors: 1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325 and 650. Its prime factorization is 2 × 5² × 13.

Factor pairs of 650

Factor×FactorProduct
1×650650
2×325650
5×130650
10×65650
13×50650
25×26650

Negative pairs work too: (−1) × (−650), (−2) × (−325), … = 650.

Number of factors
12
Factor pairs
6
Sum of factors
1,302
Prime or composite
Composite
Even or odd
Even
Perfect square
No
Prime factorization 2 × 5² × 13

How to find the factors of 650

Test every whole number from 1 up to the square root of 650 (√650 ≈ 25.495). Each number that divides evenly gives you two factors at once: the divisor and the quotient.

  • 650 ÷ 1 = 650 — so 1 and 650 are factors
  • 650 ÷ 2 = 325 — so 2 and 325 are factors
  • 650 ÷ 3 = 216.667 — not a whole number
  • 650 ÷ 4 = 162.5 — not a whole number
  • 650 ÷ 5 = 130 — so 5 and 130 are factors
  • 650 ÷ 6 = 108.333 — not a whole number
  • 650 ÷ 7 = 92.857 — not a whole number
  • 650 ÷ 8 = 81.25 — not a whole number
  • 650 ÷ 9 = 72.222 — not a whole number
  • 650 ÷ 10 = 65 — so 10 and 65 are factors
  • 650 ÷ 11 = 59.091 — not a whole number
  • 650 ÷ 12 = 54.167 — not a whole number
  • 650 ÷ 13 = 50 — so 13 and 50 are factors
  • 650 ÷ 14 = 46.429 — not a whole number
  • 650 ÷ 15 = 43.333 — not a whole number
  • 650 ÷ 16 = 40.625 — not a whole number
  • 650 ÷ 17 = 38.235 — not a whole number
  • 650 ÷ 18 = 36.111 — not a whole number
  • 650 ÷ 19 = 34.211 — not a whole number
  • 650 ÷ 20 = 32.5 — not a whole number
  • 650 ÷ 21 = 30.952 — not a whole number
  • 650 ÷ 22 = 29.545 — not a whole number
  • 650 ÷ 23 = 28.261 — not a whole number
  • 650 ÷ 24 = 27.083 — not a whole number
  • 650 ÷ 25 = 26 — so 25 and 26 are factors

Collecting both numbers from every successful division gives the complete list: 1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325 and 650.

Prime factorization of 650

Divide by the smallest prime that fits, and keep going until the quotient is 1:

650 ÷ 2 = 325
325 ÷ 5 = 65
65 ÷ 5 = 13
13 ÷ 13 = 1

The primes you divided by give 650 = 2 × 5² × 13. From the exponents you can also count the factors without listing them: (1 + 1) × (2 + 1) × (1 + 1) = 12.

Properties of 650

  • 650 is a composite number.
  • The sum of all its factors is 1,302; the sum of its proper factors (excluding 650) is 652, which makes it a abundant number (its proper factors add up to more than itself).
  • 650 is not a perfect square, so its factors pair up evenly.
  • Multiples of 650 include 1,300, 1,950, 2,600, 3,250 and so on.

Factors vs. multiples

Factors of 650 are the numbers that divide into it; multiples of 650 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 650?

The factors of 650 are 1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325 and 650. Each of these divides 650 with no remainder.

How many factors does 650 have?

650 has 12 positive factors, which form 6 factor pairs. Counting negative factors as well doubles that to 24.

What is the prime factorization of 650?

650 = 2 × 5² × 13. Its distinct prime factors are 2, 5 and 13.

Is 650 a prime number?

No. 650 is composite because it has 12 factors, more than the two a prime number has.