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