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