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