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