## FACTORS: FACTORS OF 81

FACTORS OF 81

81 has 5 factors.

Factors:

1, 3, 9, 27, 81

Factor Pairs:

• 1 × 81 = 81
• 3 × 27 = 81
• 9 × 9 = 81

DESCRIPTIONS

Factors of 81 can be found by ckecking the divisibility of 81 by the whole numbers 1 through $\mathbf{\sqrt{\color{chocolate}81}}$ = 9. If a whole number divides 81 exactly, both

• the number itself and
• the result of the division by that number

are the factors of 81.

OTHER INFORMATION

The only prime factor of 81 is 3.

## INFORMATION

The solution and descriptions above are generated by the factors calculator. You can use the factors calculator to see the factors of other numbers.

### FACTORS OF A NUMBER

Factors of a number a are the numbers that divide a exactly, without a remainder. A number can be expressed as the multiplication of its factors.

### OTHER FEATURES OF 81

👉 Click here to see the prime factors of 81

👉 Click here to see the prime factorization of 81

👉 Click here to see the factor tree of 81

👉 Click here to see the upside-down division of 81