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