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