Factor Calculator

Factors of 47

The factors of 47 are 1 and 47. Since 47 is a prime number, it has exactly 2 factors and cannot be divided evenly by any other whole number. The sum of its factors is 48, and its prime factorization is simply 47 itself.

All factors of 47

Here are all 2 factors of 47, listed from smallest to largest.

147

Factor pairs of 47

There is only one factor pair for 47, because it is prime.

1 × 47 = 47

Prime factorization of 47

47 is a prime number, so it cannot be broken down further. Its prime factorization is simply 47.

Properties of 47

Number of factors2
Sum of factors48
Sum of proper factors1
Prime factorization47
Prime or composite?Prime
Even or odd?Odd
Perfect square?No
Perfect cube?No
ClassificationDeficient

What makes 47 interesting

  • 47 is a prime number, so its only factors are 1 and 47. It cannot be split into a product of two smaller whole numbers.
  • Every prime number is deficient — the sum of its proper factors is always 1, which is far less than the number itself.

How to find the factors of 47 yourself

Divide 47 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 √47 ≈ 6.86, because every factor above that pairs with one below it.

47 ÷ 1 = 47 ✓

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

Numbers mathematically connected to 47.

Frequently asked questions about 47

What are the factors of 47?

The factors of 47 are 1 and 47. That is 2 factors in total, counting both 1 and 47.

Is 47 a prime number?

Yes, 47 is a prime number. It has exactly two factors: 1 and 47. No other whole number divides it evenly.

What is the prime factorization of 47?

47 is already prime, so its prime factorization is simply 47. It cannot be broken down any further.

What two numbers multiply to give 47?

There is 1 pair of whole numbers that multiply to 47: 1 × 47.

What is the sum of the factors of 47?

Adding all the factors of 47 together gives 48. Excluding 47 itself, the proper factors sum to 1.

Is 47 a perfect square?

No, 47 is not a perfect square. There is no whole number that multiplies by itself to give 47. The nearest perfect squares are 36 and 49.

What is the largest factor of 47 other than itself?

The largest factor of 47 apart from 47 itself is 1, since 47 ÷ 1 = 47.

How many factors does 47 have?

47 has 2 factors: 1 and 47.

Explore more

Try another number in the factor calculator, break 47 down further with the prime factorization calculator, or compare 47 with another number using the GCF calculator and LCM calculator. For divisor counts and sums, see the divisor calculator.