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