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