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