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