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