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 {19, 11, 15, 2, 17, 13} → ______
- Prime numbers in {17, 5, 8, 21, 13, 25} → ______
- Prime numbers in {8, 25, 15, 5, 9, 11} → ______
- Prime numbers in {8, 15, 7, 23, 2, 19} → ______
- Prime numbers in {17, 19, 9, 13, 2, 23} → ______
- Prime numbers in {17, 8, 2, 3, 5, 19} → ______
- Prime numbers in {25, 12, 7, 23, 11, 3} → ______
- Prime numbers in {21, 3, 12, 19, 8, 27} → ______
- Prime numbers in {15, 2, 8, 9, 25, 7} → ______
- Prime numbers in {15, 21, 11, 12, 9, 17} → ______
- Prime numbers in {19, 27, 11, 7, 25, 12} → ______
- Prime numbers in {19, 15, 7, 8, 3, 25} → ______
- Prime numbers in {7, 25, 3, 2, 8, 19} → ______
- Prime numbers in {5, 29, 11, 19, 25, 2} → ______
- Prime numbers in {27, 8, 13, 17, 15, 11} → ______
- Prime numbers in {9, 27, 11, 3, 5, 17} → ______
- Prime numbers in {13, 2, 17, 25, 5, 21} → ______
- Prime numbers in {5, 21, 11, 17, 8, 12} → ______
- Prime numbers in {27, 8, 9, 5, 21, 19} → ______
- Prime numbers in {21, 5, 13, 12, 11, 7} → ______