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