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