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