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