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