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