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