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