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