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