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