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