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