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