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