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What is the prime factors of 42?

The only way to write 42 as the product of primes (except to change the order of the factors) is 2 × 3 × 7. We call 2 × 3 × 7 the prime factorization of 42.

How do you find the factors of 42?

Factors of 42 in Pairs

  1. 1 × 42 = 42.
  2. 2 × 21 = 42.
  3. 3 × 14 = 42.
  4. 6 × 7 = 42.

What are the multiples of 42?

The multiples of 42 are 42, 84, 126, 168, 210 and so on.

What are the common multiples of 42 and 24?

Answer: LCM of 24 and 42 is 168.

What are 4 multiples of 40?

Table of Factors and Multiples

Factors Multiples
1, 3, 13, 39 39 78
1, 2, 4, 5, 8, 10, 20, 40 40 80
1, 41 41 82
1, 2, 3, 6, 7, 14, 21, 42 42 84

What is the difference of the 2nd and 4th multiple of 40?

Explanation: The 2nd multiple of 40 is 80. The 4th multiple of 40 is 160. Therefore, the difference between the 2nd and 4th multiple of 40 is 80.

How many factors does 40 have?

8 factors

How many ways can you factor the number 40?

40 is a composite number. 40 = 1 x 40, 2 x 20, 4 x 10, or 5 x 8. Factors of 40: 1, 2, 4, 5, 8, 10, 20, 40.

What are the highest common factors of 16 and 40?

Answer: GCF of 16 and 40 is 8.

How do you make a perfect square of 40?

What is The Square Root of 40?

  1. The square root of any number is the number when multiplied with itself results in the given number.
  2. Square root of 40 is expressed as √40 = 6.3245.
  3. Square root of 40 in radical form = √40 = √(2 × 2 × 2 × 5) = 2√10.
  4. Therefore, 40 is not a perfect square.

What is the least common multiple of 30 and 40?

120

What is 30 the lowest common multiple of?

Multiples of 25: 25, 50, 75, 100, 125, 150, 175… Multiples of 30: 30, 60, 90, 120, 150, 180… The lowest common multiple of 25 and 30 is 150.

What is the least common multiple of 10 30 and 40?

  • Step by Step Solution. Least Common Multiple is : 120. Calculate Least Common Multiple for : 10, 30 and 40. Factorize of the above numbers : 10 = 2 • 5. 30 = 2 • 3 • 5. 40 = 23 • 5.
  • Why learn this.
  • Terms and topics. LCM calculator.
  • Related links. LCM on Purplemath. LCM on Math.com. LCM on The School Run. LCM for Dummies.

What is the prime factorization of 30 and 40?

Prime Factors for 30: 2, 3, and 5. Prime Factors for 40: 2, 2, 2, and 5.

What is the largest number of 30 and 40?

10