Factors of 81
Find all factors of 81. Factors are numbers that divide 81 evenly with no remainder.
Answer:
Factors of 81: 1, 3, 9, 27, 81
Step-by-Step Solution
Step 1
Find Factor Pairs
To find the factors of 81, we look for pairs of numbers that multiply to give 81:
1 × 81 = 81
3 × 27 = 81
9 × 9 = 81
Step 2
List All Factors
From the factor pairs, we get all the factors of 81:
Factors of 81: 1, 3, 9, 27, 81
Total: 5 factors
Step 3
Number Properties
81 is a COMPOSITE number (5 factors)
81 is a PERFECT SQUARE (9 × 9 = 81)
Odd number of factors (because 81 is a perfect square)
Step 4
Final Answer
Factors of 81: 1, 3, 9, 27, 81