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