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