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