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