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