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