Prime Factorization and Factors of Numbers

Prime Factorization and Factors of Numbers

Assessment

Interactive Video

Mathematics, Science

4th - 6th Grade

Hard

Created by

Sophia Harris

FREE Resource

This video tutorial covers the factors of 61 and 65. It begins by explaining that 61 is a prime number with factors 1 and 61. The video then demonstrates a method to find all factors of 65, starting with 1 and 65, and identifying 5 and 13 as factors. It also explains the prime factorization of 65 using a factor tree, highlighting 5 and 13 as prime numbers. The video concludes with a summary and encourages viewers to subscribe and share.

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the factors of 61?

1 and 61

1, 2, and 61

1, 3, and 61

1, 5, and 61

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a factor of 65?

5

7

11

9

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the product of the two prime factors of 65?

70

65

75

60

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which numbers are the prime factors of 65?

5 and 13

7 and 13

5 and 11

7 and 11

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many factors does the number 65 have?

4

2

3

5