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