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