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