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