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