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