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