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