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