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