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