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