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