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