Prime & Composite Worksheet
Recommended for 4th Grade — 6th Grade
Prime & Composite Worksheet
Name: ____________________Date: ____________
Instructions: Identifying prime and composite numbers and writing prime factorizations.
20 problems
- Prime numbers in {11, 23, 15, 25, 3, 8} → ______
- Prime numbers in {17, 11, 19, 3, 21, 8} → ______
- Prime numbers in {27, 25, 21, 13, 11, 12} → ______
- Prime numbers in {25, 9, 5, 8, 2, 17} → ______
- Prime numbers in {17, 19, 5, 8, 7, 15} → ______
- Prime numbers in {7, 17, 2, 25, 21, 9} → ______
- Prime numbers in {13, 9, 17, 27, 25, 15} → ______
- Prime numbers in {2, 11, 13, 23, 29, 3} → ______
- Prime numbers in {17, 3, 11, 19, 2, 29} → ______
- Prime numbers in {21, 9, 13, 29, 17, 12} → ______
- Prime numbers in {13, 5, 29, 19, 17, 9} → ______
- Prime numbers in {17, 13, 27, 9, 23, 21} → ______
- Prime numbers in {7, 23, 8, 19, 25, 3} → ______
- Prime numbers in {27, 3, 23, 25, 5, 11} → ______
- Prime numbers in {5, 27, 25, 13, 21, 3} → ______
- Prime numbers in {8, 2, 19, 25, 9, 29} → ______
- Prime numbers in {25, 11, 12, 21, 2, 23} → ______
- Prime numbers in {21, 13, 9, 25, 17, 12} → ______
- Prime numbers in {27, 9, 17, 3, 15, 19} → ______
- Prime numbers in {5, 21, 23, 19, 11, 25} → ______