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