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