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