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