Factor Calculator

Factors of 329

The factors of 329 are 1, 7, 47, and 329. In total, 329 has 4 factors. Its prime factorization is 7 × 47, and the sum of all its factors is 384.

All factors of 329

Here are all 4 factors of 329, listed from smallest to largest.

1747329

Factor pairs of 329

These 2 pairs of whole numbers each multiply to give 329.

1 × 329 = 329
7 × 47 = 329

Prime factorization of 329

Dividing 329 by the smallest prime at each step gives its prime factorization:

329 ÷ 7 = 47
47 ÷ 47 = 1
Result: 329 = 7 × 47 = 7 × 47

The distinct prime factors of 329 are 7, 47. To factorize any other number, use the prime factorization calculator.

Factor tree of 329

A factor tree shows the same prime factorization visually. Each composite branch splits until every endpoint is a prime number.

Factor tree of 329329747
Prime factors are shown in solid indigo. Composite numbers split into their smallest prime and the quotient.

Properties of 329

Number of factors4
Sum of factors384
Sum of proper factors55
Prime factorization7 × 47
Prime or composite?Composite
Even or odd?Odd
Perfect square?No
Perfect cube?No
ClassificationDeficient

What makes 329 interesting

  • 329 is a composite number, meaning it has more than two factors. It can be written as a product of smaller whole numbers in 2 different ways.
  • 329 is a deficient number: its proper factors sum to 55, which is 274 less than 329 itself.

How to find the factors of 329 yourself

Divide 329 by each whole number starting from 1. Whenever the division leaves no remainder, both the divisor and the quotient are factors. You only need to test up to √32918.14, because every factor above that pairs with one below it.

329 ÷ 1 = 329
329 ÷ 7 = 47

Reading both columns gives every factor: 1, 7, 47, 329. The factor calculator does this automatically for any number.

Frequently asked questions about 329

What are the factors of 329?

The factors of 329 are 1, 7, 47, and 329. That is 4 factors in total, counting both 1 and 329.

Is 329 a prime number?

No, 329 is not prime — it is a composite number with 4 factors. A prime number has exactly two factors, but 329 is also divisible by 7.

What is the prime factorization of 329?

The prime factorization of 329 is 7 × 47. Written out in full: 7 × 47 = 329. Its distinct prime factors are 7, 47.

What two numbers multiply to give 329?

There are 2 pairs of whole numbers that multiply to 329: 1 × 329, 7 × 47.

What is the sum of the factors of 329?

Adding all the factors of 329 together gives 384. Excluding 329 itself, the proper factors sum to 55.

Is 329 a perfect square?

No, 329 is not a perfect square. There is no whole number that multiplies by itself to give 329. The nearest perfect squares are 324 and 361.

What is the largest factor of 329 other than itself?

The largest factor of 329 apart from 329 itself is 47, since 329 ÷ 47 = 7.

How many factors does 329 have?

329 has 4 factors: 1, 7, 47, and 329. You can verify this from the prime factorization 7 × 47: add 1 to each exponent and multiply, giving 2 × 2 = 4.

Explore more

Try another number in the factor calculator, break 329 down further with the prime factorization calculator, or compare 329 with another number using the GCF calculator and LCM calculator. For divisor counts and sums, see the divisor calculator.