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