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