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