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