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