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