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