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