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