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