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