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