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