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