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