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