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