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