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