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