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