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