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