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