Factors of 21
Find all factors of 21. Factors are numbers that divide 21 evenly with no remainder.
Answer:
Factors of 21: 1, 3, 7, 21
Step-by-Step Solution
Step 1
Find Factor Pairs
To find the factors of 21, we look for pairs of numbers that multiply to give 21:
1 × 21 = 21
3 × 7 = 21
Step 2
List All Factors
From the factor pairs, we get all the factors of 21:
Factors of 21: 1, 3, 7, 21
Total: 4 factors
Step 3
Number Properties
21 is a COMPOSITE number (4 factors)
Step 4
Final Answer
Factors of 21: 1, 3, 7, 21