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